Of all writings I love only that which is written with blood. Write with blood: and you will discover that blood is spirit.

The thousand mysteries around us would not trouble but interest us, if only we had cheerful, healthy hearts.

Those who are devoid of purpose will make the void their purpose.

One should not be deceived: great spirits are skeptics ... Strength, FREEDOM which is born of the strength and overstrength of the spirit, proves itself by skepticism. Men of conviction are not worthy of the least consideration in fundamental questions of value and disvalue. Convictions are prisons.

There is a great ladder of religious cruelty, and, of its many rungs, three are the most important. People used to make human sacrifices to their god, perhaps even sacrificing those they loved the best ... Then, during the moral epoch of humanity, people sacrificed the strongest instincts they had, their 'nature,' to their god... Finally: what was left to be sacrificed? ... Didn't people have to sacrifice God himself and worship rocks, stupidity, gravity, fate, or nothingness out of sheer cruelty to themselves?

All of life is a dispute over taste and tasting.

Only ideas won by walking have any value.