Growth in wisdom can be measured precisely by decline in bile.

What else is love but understanding and rejoicing in the fact that another person lives acts and experiences otherwise than we do?

Every true faith is infallible. It performs what the believing person hopes to find in it. But it does not offer the least support for the establishing of an objective truth. Here the ways of men divide. If you want to achieve peace of mind and happiness, have faith. If you want to be a disciple of truth, then search.

Let us beware of saying that death is the opposite of life. The living being is only a species of the dead, and a very rare species.

For it is only as an aesthetic phenomenon that existence and the world are eternally justified.

Before the effect one believes in different causes than one does after the effect.

He who has attained intellectual emancipation to any extent cannot, for a long time, regard himself otherwise than as a wanderer on the face of the earth and not even as a traveller towards a final goal, for there is no such thing.