A calamity does not descend except due to a sin and it is not lifted except with repentance.
Ali ibn Abi TalibWhoever educates himself and improves his own morals & character is superior to the man who tries to teach & train others.
Ali ibn Abi TalibKnowledge is of two kinds: that which is absorbed and that which is heard. And that which is heard does not profit if it is not absorbed.
Ali ibn Abi TalibBody is purified by water. Ego by tears. Intellect is purified by knowledge. And soul is purified with love.
Ali ibn Abi TalibHow strange and foolish is man. He looses his health in gaining wealth. Then to regain health he wastes his wealth. He ruins is present while worrying about his future - but weeps in the future by recalling his past. He lives as though death shall never come to him - but dies in a way as if he were never born.
Ali ibn Abi Talib