A casual stroll through the lunatic asylum shows that faith does not prove anything.

A thinker sees his own actions as experiments and questions as attempts to find out something. Success and failure are for him answers above all.

All truly great thoughts are conceived by walking.

Art is the proper task of life.

At times one remains faithful to a cause only because its opponents do not cease to be insipid.

Battle not with monsters, lest ye become a monster, and if you gaze into the abyss, the abyss gazes also into you.

Be careful when you fight the monsters, lest you become one.

But thus do I counsel you, my friends: distrust all in whom the impulse to punish is powerful!

Christianity is called the religion of pity.

Convictions are more dangerous foes of truth than lies.