Letters 94.59

And yet the stuff they handle soils the soul more than the body, and there is more foulness in the owner than in the workman.

It is therefore indispensable that we be admonished, that we have some advocate with upright mind, and, amid all the uproar and jangle of falsehood, hear one voice only. But what voice shall this be? Surely a voice which, amid all the tumult of self-seeking, shall whisper wholesome words into the deafened ear, saying:

Seneca, Letters to Lucilius 94.59, translated by Richard Mott Gummere