Philo Judaeus De Virtutibus 3

[3] But then as some men who, always remaining in their own houses, while their bodies have been worn away either by long sickness or by painful old age, still being healthy and vigorous ¹ in the better part of their soul, and being full of high thoughts, and inspired with a braver and happier fortitude, never, not even in their dreams, meddling with warlike weapons, nevertheless by their exposition and advocacy of wise counsels for the common advantage, have often re-established both the private affairs of individuals, and the common prosperity of their country when it was in danger, putting forth unyielding and inflexible reasonings concerning what has been really expedient.