A man who whinnies with noisy laughter, surpasses all the animals in vulgarity.

Become who you are!

Tragedy is dead! Poetry itself died with it! Away, away with you, puny, stunted imitators! Away with you to Hades, and eat your fill of the old masters' crumbs!

Thinking has to be learned in the way dancing has to be learned.

Industriousness and conscientiousness are often at odds, because industriousness wants to pick the still sour fruit from the tree,while conscientiousness lets it hang there too long, until it falls and bruises.

Many are obstinate with regard to the pathway once they have set upon it, few with regard to the goal.

It is certainly not the least charm of a theory that it is refutable; it is precisely thereby that it attracts the more subtle minds. It seems that the hundred-times-refuted theory of the "free will" owes its persistence to this charm alone; some one is always appearing who feels himself strong enough to refute it.