Praise is more obtrusive than a reproach.

Convictions are more dangerous foes of truth than lies.

It is a self-deception of philosophers and moralists to imagine that they escape decadence by opposing it. That is beyond their will; and, however little they acknowledge it, one later discovers that they were among the most powerful promoters of decadence.

The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently.

The lonely one offers his hand too quickly to whomever he encounters.

However modest one may be in one's demand for intellectual cleanliness, one cannot help feeling, when coming into contact with the New Testament, a kind of inexpressible discomfiture: for the unchecked impudence with which the least qualified want to raise their voice on the greatest problems, and even claim to be judges of such things, surpasses all measure. The shameless levity with which the most intractable problems (life, world, God, purpose of life) are spoken of, as if they were not problems at all but simply things that these little bigots knew!

The misunderstanding of passion and reason, as if the latter were an independent entity and not rather a system of relations between various passions and desires; and as if every passion did not possess its quantum of reason.