One is always in the dark about one's own personality. One needs others to get to know oneself.

Nothing is possible without love ... For love puts one in a mood to risk everything.

The word 'happiness' would lose its meaning if it were not balanced and contrasted and compared to sadness. In comparing how an experience could have been worse we develop gratitude and happiness, while if we compare it how it could have been better we develop bitterness and sadness.

The less we understand of what our fathers and forefathers sought, the less we understand ourselves, and thus we help with all our might to rob the individual of his roots and his guiding instincts, so that he becomes a particle in the mass, ruled only by what Nietzsche called the spirit of gravity.

What we lack is intensity of life.

In the second half of life the necessity is imposed of recognizing no longer the validity of our former ideals but of their contraries. Of perceiving the error in what was previously our conviction, of sensing the untruth in what was our truth, and of weighing the degree of opposition, and even of hostility, in what we took to be love.

Life calls us forth to independence, and anyone who does not heed this call because of childish laziness or timidity is threatened with neurosis. And once this has broken out, it becomes an increasingly valid reason for running away from life.