Under conditions of peace the warlike man attacks himself.

The love of indulgence is rooted in the depths of a man's heart. His soul would prefer to share the excessive and unrestrained; but his soul cannot love.

The strongest and most evil spirits have to date advanced mankind the most: they always rekindled the sleeping passions - all orderly arranged society lulls the passions to sleep; they always reawakened the sense of comparison, of contradiction, of delight in the new, the adventurous, the untried; they compelled men to set opinion against opinion, ideal plan against ideal plan.

But it is the same with man as with the tree. The more he seeketh to rise into the height and light, the more vigorously do his roots struggle earthward, downward, into the dark and deep — into the evil.

Remorse.-- Never yield to remorse, but at once tell yourself: remorse would simply mean adding to the first act of stupidity a second.

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

Mankind must work continually to produce individual great human beings - this and nothing else is the task... for the question is this : How can your life, the individual life, retain the highest value, the deepest significance? Only by living for the good of the rarest and most valuable specimens.