Seneca · On brawn and brains

Letters 15.9

You see, I have relieved you of no slight bother; and I shall throw in a little complementary present,—it is Greek, too. Here is the proverb; it is an excellent one: “The fool’s life is empty of gratitude and full of fears; its course lies wholly toward the future.” “Who uttered these words?” you say. The same writer whom I mentioned before. And what sort of life do you think is meant by the fool’s life? That of Baba and Isio? No; he means our own, for we are plunged by our blind desires into ventures which will harm us, but certainly will never satisfy us; for if we could be satisfied with anything, we should have been satisfied long ago; nor do we reflect how pleasant it is to demand nothing, how noble it is to be contented and not to be dependent upon Fortune.

Seneca, Letters to Lucilius 15.9, translated by Richard Mott Gummere