One cannot be deeply responsive to the world without being saddened very often.
Man always dies before he is fully born.
Man is the only animal for whom his own existence is a problem which he has to solve.
Man's biological weakness is the condition of human culture.
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.
Most people die before they are fully born. Creativeness means to be born before one dies.
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.'
Only the person who has faith in himself is able to be faithful to others.
Mother's love is peace. It need not be acquired, it need not be deserved.
Love is union with somebody, or something, outside oneself, under the condition of retaining the separateness and integrity of one's own self.
Just as modern mass production requires the standardization of commodities, so the social process requires standardization of man, and this standardization is called equality.
Just as love is an orientation which refers to all objects and is incompatible with the restriction to one object, so is reason a human faculty which must embrace the whole of the world with which man is confronted.
In love the paradox occurs that two beings become one and yet remain two.
If a person loves only one other person and is indifferent to all others, his love is not love but a symbiotic attachment, or an enlarged egotism.