There 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-BaháTo promote knowledge is thus an inescapable duty imposed on every one of the friends of God.
Abdu'l-BaháTruthfulness is the foundation of all virtues of the world of humanity. Without truthfulness, progress and success in all the worlds of God are impossible for a soul. When this holy attribute is established in man, all the divine qualities will also become realized.
Abdu'l-Bahá