Diseases of the mind are more common and more pernicious than diseases of the body.
Morbi perniciosiores pluresque sunt animi quam corporis.
Original text (Latin)
Notes from Wikiquote
Book III, Chapter III
Original text (Latin)
I never cease urging peace, which, however unfair, is better than the justest war in the world.
Every one is least known to himself, and it is very difficult for a man to know himself.
Quote text and notes from Wikiquote: Cicero (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.