Bacteria: The only culture some people have.
Only fools need suffer to learn.
Potter is potter's enemy, and craftsman is craftsman's rival; tramp is jealous of tramp, and singer of singer.
For now indeed is the race of iron; and men never cease from labour and sorrow by day and from perishing by night.
Invite your friend to dinner; have nothing to do with your enemy.
He for himself weaves woe who weaves for others woe, and evil counsel on the counselor recoils.