Selfishness (n.) is the true mother of ingratitude.
Selfishness (n.) pushed to deny all friendship is less a vice than a stupidity: no one can fail to prefer one man to another.
Selfishness (n.) we make allowance for in others, knowing it inseparable from human nature — so we do not blame a man for opposing us where his own interest is at stake.
Selfishness (n.) is no more opposed to benevolence than to ambition or revenge: self-love needs some original passion to give its objects relish, and none suits better than kindness.
Selfishness (n.) has been painted by certain philosophers as wide of nature as the monsters of fables: few love anyone better than themselves, but rarer still is the man whose kind affections together do not outweigh his selfish ones.