Love your enemies because they bring out the best in you.

Digressions, objections, delight in mockery, carefree mistrust are signs of health.

I admire the courage and wisdom of Socrates in everything he did, said--and did not say.

The really royal calling of the philosopher (as expressed by Alcuin the Anglo-Saxon): To correct what is wrong, and strengthen the right, and raise what is holy.

Liberal institutions straightway cease being liberal the moment they are soundly established: Once this is attained, no more grievous and more thorough enemies of freedom exist than liberal institutions.

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!

Whether we immoralists do any harm to virtue?-Just as little as anarchists do to princes. It is only because they have been shot at that they once again sit securely on their thrones. Moral: we must shoot at morals.