“By nature, men are nearly alike; by practice, they get to be wide apart.”
“There is nothing like soup. It is by nature eccentric: no two are ever alike, unless of course you get your soup in a can.”
“Human nature is all alike.”
“Like it or not, war is distinctively human. Apart from the raiding behavior of chimpanzees and the so-called wars prosecuted by certain species of ant, there is nothing in nature that comes anywhere near approximating it.”
“Wise men think and speak alike.”
“Men are all alike. Grown-up children.”