In the beginning of every Revelation adversities have prevailed, which later on have been turned into great prosperity.
Bahá’u’lláh, cited in Shoghi Effendi, “The Advent of Divine Justice”, p. 82
Consider the former generations. Witness how every time the Day Star of Divine bounty hath shed the light of His Revelation upon the world, the people of His Day have arisen against Him, and repudiated His truth. They who were regarded as the leaders of men have invariably striven to hinder their followers from turning unto Him Who is the Ocean of God’s limitless bounty.
Thou hast known how grievously the Prophets of God, His Messengers and Chosen Ones, have been afflicted. Meditate a while on the motive and reason which have been responsible for such a persecution. At no time, in no Dispensation, have the Prophets of God escaped the blasphemy of their enemies, the cruelty of their oppressors, the denunciation of the learned of their age, who appeared in the guise of uprightness and piety. Day and night they passed through such agonies as none can ever measure, except the knowledge of the one true God, exalted be His glory.
“Gleanings from the Writings of Bahá’u’lláh” #23, p. 56
Know ye that trials and tribulations have, from time immemorial, been the lot of the chosen Ones of God and His beloved, and such of His servants as are detached from all else but Him, they whom neither merchandise nor traffic beguile from the remembrance of the Almighty, they that speak not till He hath spoken, and act according to His commandment. Such is God’s method carried into effect of old, and such will it remain in the future....
“Gleanings from the Writings of Bahá’u’lláh” #64, p. 129
By My life! Mine heart groaneth and mine eyes weep sore for the Cause of God and for them that understand not what they say and imagine what they cannot comprehend.
“Gleanings from the Writings of Bahá’u’lláh” #100, p. 203
And if a nightingale soar upward from the clay of self and dwell in the rose bower of the heart, and in Arabian melodies and sweet Iranian songs recount the mysteries of God — a single word of which quickeneth to fresh, new life the bodies of the dead, and bestoweth the Holy Spirit upon the moldering bones of this existence — thou wilt behold a thousand claws of envy, a myriad beaks of rancor hunting after Him and with all their power intent upon His death.