Close investigation will show that the primary cause of oppression and injustice, of unrighteousness, irregularity and disorder, is the people's lack of religious faith and the fact that they are uneducated.
Abdu'l-BaháAnd now one of the greatest and most fundamental principles of the Cause of God is to shun and avoid entirely the Covenant-breakers, for they will utterly destroy the Cause of God, exterminate His Law and render of no account all efforts exerted in the past.
Abdu'l-BaháThe mind and spirit of man advance when he is tried by suffering. ... so suffering and tribulation free man from the petty affairs of this worldly life until he arrives at a state of complete detachment.
Abdu'l-BaháIn every aspect of life, purity and holiness, cleanliness and refinement, exalt the human condition . . . Even in the physical realm, cleanliness will conduce to spirituality.
Abdu'l-BaháThere is but one power which heals—that is God. The state or condition through which the healing takes place is the confidence of the heart. By some this state is reached through pills, powders, and physicians. By others through hygiene, fasting, and prayer. By others through direct perception.
Abdu'l-Bahá