Human life, like all inferior goods, is covered on the outside with a false glitter; what suffers always conceals itself.

One can forget everything, everything, only not oneself, one's own being.

A reproach can only hurt if it hits the mark. Whoever knows that he does not deserve a reproach can treat it with contempt.

The brain may be regarded as a kind of parasite of the organism, a pensioner, as it were, who dwells with the body.

They tell us that suicide is the greatest piece of cowardice... that suicide is wrong; when it is quite obvious that there is nothing in the world to which every man has a more unassailable title than to his own life and person.

This world could not have been the work of an all-loving being, but that of a devil, who had brought creatures into existence in order to delight in the sight of their sufferings.

Noise is the most impertinent of all forms of interruption. It is not only an interruption, but also a disruption of thought.