A man should not play the coward to his deeds. He should not repudiate them once he has performed them. Pangs of conscience are indecent.

The complete irresponsibility of man for his actions and his nature is the bitterest drop which he who understands must swallow.

Everyone who has ever built anywhere a "new heaven" first found the power thereto in his own hell.

Whoever knows he is deep tries to be clear, but whoever wants to seem deep to the crowd tries to be obscure. For the crowd supposes that anything it cannot see to the bottom must be deep: it is so timid and goes so unwillingly into the water.

Hold a true friend with both your hands.

We must understand how to hide in darkness in order to escape the gnat-swarms of utterly annoying admirers.

Belief in form, but disbelief in content - that's what makes an aphorism charming.