"Man's main task in life is to give birth to himself, to become what he potentially is. The most important product of his effort is his own personality."
"Love is the only sane and satisfactory answer to the problem of human existence."
"Immature love says: 'I love you because I need you.' Mature love says 'I need you because I love you.'"
"In love the paradox occurs that two beings become one and yet remain two."
"Who will tell whether one happy moment of love or the joy of breathing or walking on a bright morning and smelling the fresh air, is not worth all the suffering and effort which life implies."
"Why should society feel responsible only for the education of children, and not for the education of all adults of every age?"