Letters 41.9

And what is it which this reason demands of him? The easiest thing in the world,—to live in accordance with his own nature. But this is turned into a hard task by the general madness of mankind; we push one another into vice. And how can a man be recalled to salvation, when he has none to restrain him, and all mankind to urge him on? Farewell.

Seneca, Letters to Lucilius 41.9, translated by Richard Mott Gummere