When you lose interest in anything, you also lose the memory for it.

The world cannot do without great men, but great men are very troublesome to the world.

There is but one poetry,--true poetry.

It is always a sign of an unproductive time when it concerns itself with petty and technical aspects [in philology], and likewiseit is a sign of an unproductive person to pursue such trifles.

Who are you then?" "I am part of that power which eternally wills evil and eternally works good.

The greatest joy of a thinking man is to have searched the explored and to quietly revere the unexplored.

What is fruitful alone is true.