The virtues and attributes pertaining unto God are all evident and manifest, and have been mentioned and described in all the heavenly Books. Among them are trustworthiness, truthfulness, purity of heart while communing with God, forbearance, resignation to whatever the Almighty hath decreed, contentment with the things His Will hath provided, patience, nay, thankfulness in the midst of tribulation, and complete reliance, in all circumstances, upon Him. These rank, according to the estimate of God, among the highest and most laudable of all acts. All other acts are, and will ever remain, secondary and subordinate unto them....
(Baha’u’llah, ‘Gleanings from the Writings of Bahá'u'lláh’; The Compilation of Compilations, Vol. II, Trustworthiness)