Bahá’u’lláh instructs Sultán ‘Abdu’l-‘Azíz not to overstep “the bounds of moderation” and to ‘deal justly” with those that serve him

Overstep not the bounds of moderation, and deal justly with them that serve thee. Bestow upon them according to their needs, and not to the extent that will enable them to lay up riches for themselves, to deck their persons, to embellish their homes, to acquire the things that are of no benefit unto them, and to be numbered with the extravagant. Deal with them with undeviating justice, so that none among them may either suffer want, or be pampered with luxuries. This is but manifest justice. Allow not the abject to rule over and dominate them who are noble and worthy of honor, and suffer not the high-minded to be at the mercy of the contemptible and worthless, for this is what We observed upon Our arrival in the City [Constantinople], and to it We bear witness.... 

- Baha’u’llah  (Quoted by Shoghi Effendi in ‘The Promised Day Is Come’)

Bahá’u’lláh reminds Sultán ‘Abdu’l-‘Azíz that “All are but paupers at the door of His [God’s] mercy”

Place not thy reliance on thy treasures. Put thy whole confidence in the grace of God, thy Lord. Let Him be thy trust in whatever thou doest, and be of them that have submitted themselves to His Will. Let Him be thy helper and enrich thyself with His treasures, for with Him are the treasuries of the heavens and of the earth. He bestoweth them upon whom He will, and from whom He will He withholdeth them. There is none other God but Him, the All-Possessing, the All-Praised. All are but paupers at the door of His mercy; all are helpless before the revelation of His sovereignty, and beseech His favors. 

- Baha’u’llah  (Quoted by Shoghi Effendi in ‘The Promised Day Is Come’)

Bahá’u’lláh counsels Sultán ‘Abdu’l-‘Azíz

Wert thou to incline thine ear unto My speech and observe My counsel, God would exalt thee to so eminent a position that the designs of no man on the whole earth could ever touch or hurt thee. Observe, O king, with thine inmost heart and with thy whole being, the precepts of God, and walk not in the paths of the oppressor. Seize thou, and hold firmly within the grasp of thy might, the reins of the affairs of thy people, and examine in person whatever pertaineth unto them. Let nothing escape thee, for therein lieth the highest good. 

Render thanks unto God for having chosen thee out of the whole world, and made thee king over them that profess thy faith. It well beseemeth thee to appreciate the wondrous favors with which God hath favored thee, and to magnify continually His name. Thou canst best praise Him if thou lovest His loved ones, and dost safeguard and protect His servants from the mischief of the treacherous, that none may any longer oppress them. Thou shouldst, moreover, arise to enforce the law of God amongst them, that thou mayest be of those who are firmly established in His law. 

Shouldst thou cause rivers of justice to spread their waters amongst thy subjects, God would surely aid thee with the hosts of the unseen and of the seen, and would strengthen thee in thine affairs. No God is there but Him. All creation and its empire are His. Unto Him return the works of the faithful. 

- Baha’u’llah  (Quoted by Shoghi Effendi in ‘The Promised Day Is Come’)

Bahá’u’lláh addresses Sultán ‘Abdu’l-‘Azíz of the Ottoman Empire

In the Súriy-i-Mulúk Sultán ‘Abdu’l-‘Azíz is addressed in the following terms: “Hearken, O king, to the speech of Him that speaketh the truth, Him that doth not ask thee to recompense Him with the things God hath chosen to bestow upon thee, Him Who unerringly treadeth the straight Path. He it is Who summoneth thee unto God, thy Lord, Who showeth thee the right course, the way that leadeth to true felicity, that haply thou mayest be of them with whom it shall be well.... He that giveth up himself wholly to God, God shall, assuredly, be with him; and he that placeth his complete trust in God, God shall, verily, protect him from whatsoever may harm him, and shield him from the wickedness of every evil plotter. 

- Shoghi Effendi  (Quoting Bahá’u’lláh in ‘The Promised Day Is Come’)

Bahá’u’lláh’s “words directed to Emperor Francis Joseph” of Austria

Again in the Kitáb-i-Aqdas these words, directed to Emperor Francis Joseph, are recorded: 

“O Emperor of Austria! He who is the Dayspring of God’s Light dwelt in the prison of Akká, at the time when thou didst set forth to visit the Aqsá Mosque [Jerusalem]. Thou passed Him by, and inquired not about Him, by Whom every house is exalted, and every lofty gate unlocked. We, verily, made it [Jerusalem] a place whereunto the world should turn, that they might remember Me, and yet thou hast rejected Him Who is the Object of this remembrance, when He appeared with the Kingdom of God, thy Lord and the Lord of the worlds. We have been with thee at all times, and found thee clinging unto the Branch and heedless of the Root. Thy Lord, verily, is a witness unto what I say. We grieved to see thee circle round Our Name, whilst unaware of Us, though We were before thy face. Open thine eyes, that thou mayest behold this glorious Vision, and recognize Him Whom thou invokest in the daytime and in the night season, and gaze on the Light that shineth above this luminous Horizon.” 

- Shoghi Effendi  (Quoting Bahá’u’lláh in ‘The Promised Day Is Come’)

Bahá’u’lláh’s “remarkable prophecy” concerning Germany

And further, in that same Book, this remarkable prophecy: “O banks of the Rhine! We have seen you covered with gore, inasmuch as the swords of retribution were drawn against you; and you shall have another turn. And We hear the lamentations of Berlin, though she be today in conspicuous glory.” 

- Shoghi Effendi  (Quoting Bahá’u’lláh in ‘The Promised Day Is Come’)

“Bahá’u’lláh…addresses the German Emperor, William I”

In the Kitáb-i-Aqdas, His Most Holy Book, Bahá’u’lláh thus addresses the German Emperor, William I: “Say: O King of Berlin! Give ear unto the Voice calling from this manifest Temple: Verily, there is none other God but Me, the Everlasting, the Peerless, the Ancient of Days. Take heed lest pride debar thee from recognizing the Dayspring of Divine Revelation, lest earthly desires shut thee out, as by a veil, from the Lord of the Throne above and of the earth below. Thus counseleth thee the Pen of the Most High. He, verily, is the Most Gracious, the All-Bountiful. Do thou remember the one whose power transcended thy power [Napoleon III], and whose station excelled thy station. Where is he? Whither are gone the things he possessed? Take warning, and be not of them that are fast asleep. He it was who cast the Tablet of God behind him, when We made known unto him what the hosts of tyranny had caused Us to suffer. Wherefore, disgrace assailed him from all sides, and he went down to dust in great loss. Think deeply, O King, concerning him, and concerning them who, like unto thee, have conquered cities and ruled over men. The All-Merciful brought them down from their palaces to their graves. Be warned, be of them who reflect.” 

- Shoghi Effendi  (Quoting Bahá’u’lláh in ‘The Promised Day Is Come’)

Bahá’u’llah revealed a prayer for Queen Victoria to say

Turn thou unto God and say: O my Sovereign Lord! I am but a vassal of Thine, and Thou art, in truth, the King of kings. I have lifted my suppliant hands unto the heaven of Thy grace and Thy bounties. Send down, then, upon me from the clouds of Thy generosity that which will rid me of all save Thee, and draw me nigh unto Thyself. I beseech Thee, O my Lord, by Thy name, which Thou hast made the king of names and the manifestation of Thyself to all who are in heaven and on earth, to rend asunder the veils that have intervened between me and my recognition of the Dawning-Place of Thy signs and the Dayspring of Thy Revelation. Thou art, verily, the Almighty, the All-Powerful, the All-Bounteous. Deprive me not, O my Lord, of the fragrances of the Robe of Thy mercy in Thy days, and write down for me that which Thou hast written down for Thy handmaidens who have believed in Thee and in Thy signs, and have recognized Thee, and set their hearts towards the horizon of Thy Cause. Thou art truly the Lord of the worlds and of those who show mercy the Most Merciful. Assist me, then, O my God, to remember Thee amongst Thy handmaidens, and to aid Thy Cause in Thy lands. Accept, then, that which hath escaped me when the light of Thy countenance shone forth. Thou, indeed, hast power over all things. Glory be to Thee, O Thou in Whose hand is the kingdom of the heavens and of the earth.” 

- Bahá’u’lláh  (Quoted by Shoghi Effendi, ‘The Promised Day Is Come’)

Bahá’u’lláh commends Quenn Victoria for having “entrusted the reins of counsel into the hands of the representatives of the people”

We have also heard that thou hast entrusted the reins of counsel into the hands of the representatives of the people. Thou, indeed, hast done well, for thereby the foundations of the edifice of thine affairs will be strengthened, and the hearts of all that are beneath thy shadow, whether high or low, will be tranquilized. It behooveth them, however, to be trustworthy among His servants, and to regard themselves as the representatives of all that dwell on earth. This is what counseleth them, in this Tablet, He Who is the Ruler, the All-Wise.... Blessed is he that entereth the assembly for the sake of God, and judgeth between men with pure justice. He, indeed, is of the blissful.... 

- Bahá’u’lláh  (Quoted by Shoghi Effendi, ‘The Promised Day Is Come’)