Young men's minds are always changeable, but when an old man is concerned in a matter, he looks both before and after.
HomerAchilles glared at him and answered, "Fool, prate not to me about covenants. There can be no covenants between men and lions, wolves and lambs can never be of one mind, but hate each other out and out an through. Therefore there can be no understanding between you and me, nor may there be any covenants between us, till one or other shall fall
Homer