He that counts all cost will never put plough in the earth.
He is wise that can make a friend of a foe.
He that cannot abide a bad market, deserves not a good one
Though thou has never so many counselors, yet do not forsake the counsel of your soul.
One means very effectual for the preservation of health is a quiet and cheerful mind, not afflicted with violent passions or distracted with immoderate cares.
Feather by feather the goose is plucked.