Most often people seek in life occasions for persisting in their opinions rather than for educating themselves.

It is with fine sentiments that bad literature is made. Descend to the bottom of the well if you wish to see the stars.

An unprejudiced mind is probably the rarest thing in the world; to nonprejudice I attach the greatest value.

Believe those who seek the truth, doubt those who find it; doubt all, but do not doubt yourself.

What eludes logic is the most precious element in us, and one can draw nothing from a syllogism that the mind has not put there in advance.

Art begins with resistance - at the point where resistance is overcome. No human masterpiece has ever been created without great labor.

How much more sensuality invites to art than does sentimentality.