The destiny of the human race is to widen the gap separating it from the lower races of animals. Any code of morality which retains its permanence and authority after the conditions of existence which gave rise to it have changed, works against this upward progress of man.

If that glad message of your Bible were written in your faces, you would not need to demand belief in the authority of that book in such stiff-necked fashion.

In everything one thing is impossible: rationality.

The danger in happiness - "Now everything is turning out right for me; from now on i'll love every turn of fate - Who wants to be my fate?

Blessed are the sleepy ones: for they shall soon drop off.

Everyone carries within himself an image of womanliness derived from his mother: it is this that determines whether, on the whole,he will revere women, or despise them, or remain generally indifferent to them.

Life is an instinct for growth, for survival, for the accumulation of forces, for power.