We talk on principle, but we act on interest. Walter Savage Landor
Self-interest is but the survival of the animal in us. Humanity only begins for man with self-surrender. Henri-Frederic Amiel
Self-interest makes some people blind, and others sharp-sighted. Francois duc de La Rochefoucauld
Self-interest speaks all sort of languages, and plays all sort of roles- even that of disinterest. Francois duc de La Rochefoucauld
I am easy-going right up to the borders of my self-interest. Mason Cooley