Man is almost always as wicked as his needs require.

Irresolute men are sometimes very persistent in their undertakings, because if they give up their designs they would have to make a second resolution.

Death is not an evil, because it frees us from all evils, and while it takes away good things, it takes away also the desire for them. Old age is the supreme evil, because it deprives us of all pleasures, leaving us only the appetite for them, and it brings with it all sufferings. Nevertheless, we fear death, and we desire old age.

Old age is the supreme evil, for it deprives man of all pleasures while allowing his appetites to remain, and it brings with it every possible sorrow. Yet men fear death and desire old age.

No one is so completely disenchanted with the world, or knows it so thoroughly, or is so utterly disgusted with it, that when it begins to smile upon him he does not become partially reconciled to it.

The artisan or scientist or the follower of whatever discipline who has the habit of comparing himself not with other followers but with the discipline itself will have a lower opinion of himself, the more excellent he is.

The surest way of concealing from others the boundaries of one s own knowledge is not to overstep them.