For a tree to become tall it must grow tough roots among the rocks.

When death brings at last the desired forgetfulness, it abolishes life and being together, and sets the seal on the knowledge that "being" is merely a continual "has been," a thing that lives by denying and destroying and contradicting itself.

I have not come to know atheism as a result of logical reasoning and still less as an event in my life: in me it is a matter of instinct.

The small force that it takes to launch a boat into the stream should not be confused with the force of the stream that carries it along: but this confusion appears in nearly all biographies.

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

This sign I give you: every people speaks its tongue of good and evil, which the neighbor does not understand. It has invented its own language of customs and rights.

Belief in truth begins with doubting all that has hitherto been believed to be true.