To grumble about the world and its unhappiness is always easier than to beat one's breast and groan over oneself.

It is so hard to believe because it is so hard to obey.

It is intelligent to ask two questions: (1) Is it possible? (2) Can I do it?. But it is unintelligent to ask these questions: (1) Is it real? (2) Has my neighbor done it?

The more men believe an idea to be true the greater the likelihood that the idea is mistaken. Those who are right usually stand alone.

If anyone proposes to believe, i.e., imagines himself to believe, because many good and upright people living here on the hill have believed, i.e., have said that they believedthen he is a fool, and it is essentially indifferent whether he believes on account of his own and perhaps a widely held opinion about what good and upright people believe, or believes a Münchhausen.

My life is absolutely meaningless. When I consider the different periods into which it falls, it seems like the word Schnur in the dictionary, which means in the first place a string, in the second, a daughter-in-law. The only thing lacking is that the word Schnur should mean in the third place a camel, in the fourth, a dust-brush.

Geniuses are like thunderstorms: they go against the wind, terrify people, clear the air.