When mores are sufficient, laws are unnecessary. When mores are insufficient, laws are unenforceable.

When man discovered the mirror, he began to lose his soul.

One does not advance when one walks toward no goal, or - which is the same thing - when his goal is infinity.

Man seeks to learn, and man kills himself because of the loss of cohesion in his religious society; he does not kill himself because of his learning. It is certainly not the learning he acquires that disorganizes religion; but the desire for knowledge wakens because religion becomes disorganized.

Even one well-made observation will be enough in many cases, just as one well-constructed experiment often suffices for the establishment of a law.

From top to bottom of the ladder, greed is aroused without knowing where to find ultimate foothold. Nothing can calm it, since its goal is far beyond all it can attain. Reality seems valueless by comparison with the dreams of fevered imaginations; reality is therefore abandoned.

We do not condemn it because it is a crime, but it is a crime because we condemn it.