Could you tell night from day? No, I regard all such distinctions as logically impossible.

To do the same thing over and over again is not only boredom: it is to be controlled by rather than to control what you do.

All men have the capacity of knowing themselves and acting with moderation.

It is harder to fight pleasure than to fight emotion.

Of all whose words I have heard, no one attains to this, to know that wisdom is apart from all.

The river where you set your foot just now is gone-those waters give way to this, now this.

To God all things are fair and good and right, but men hold some things wrong and some right.