Man is not man simply because of bodily attributes. The standard of divine measure and judgment is his intelligence and spirit
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-BaháStrive with all your hearts, raise up your voices and shout, until this dark world be filled with light.
Abdu'l-Bahá