Isidore of Pelusium & Paulos (correspondent of Isidore of Pelusium)

I consider it a sacred duty to trust the divine oracles and follow them diligently, rather than to prefer one's own...

Wealth is a tool, not a treasure.

Virtue must be practiced with all one's strength — not merely admired from a distance.

Character is revealed not by what a person says but by what he does when no one is watching.