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....
- Baha’u’llah (‘Gleanings from the Writings of Bahá'u'lláh’; The Compilation of Compilations vol. I, Crisis and Victory)