Let them at all times concern themselves with doing a kindly thing for one of their fellows, offering to someone love, consideration, thoughtful help.
Abdu'l-BaháThe pure heart is one that is entirely cut away from self. To be selfless is to be pure.
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-Bahá