The secret of realizing the greatest fruitfulness and the greatest enjoyment of existence is: to live dangerously! Build your cities on the slopes of Vesuvius! Send your ships out into uncharted seas! Live in conflict with your equals and with yourselves! Be robbers and ravagers as soon as you ca not be rulers and owners, you men of knowledge! The time will soon past when you could be content to live concealed int he woods like timid deer!

With the unknown, one is confronted with danger, discomfort, and care; the first instinct is to abolish these painful states. First principle: any explanation is better than none. . . . The causal instinct is thus conditional upon, and excited by, the feeling of fear. The "why?" shall, if at all possible, not give the cause for its own sake so much as for a particular kind of cause -- a cause that is comforting, liberating, and relieving.

Our vanity desires that what we do best should be considered what is hardest for us.

If all alms were given only from pity, all beggars would have starved long ago.

Early in the morning, at break of day, in all the freshness and dawn of one's strength, to read a book -I call that vicious!

Whatever may be your desire to accomplish great deeds, the deep silence of pregnancy never comes to you! The event of the day sweeps you along like straws before the wind whilst ye lie under the illusion that ye are chasing the event,-poor fellows! If a man wishes to act the hero on the stage he must not think of forming part of the chorus; he should not even know how the chorus is made up.

If a man has character, he has also his typical experience, which always recurs.