Selfishness is the most constant of human motives....

Selfishness is the most constant of human motives. Patriotism, humanity, or the love of God may lead to sporadic outbursts sweep away the heaped-up wrongs of centuries; but they languish at times, while the love of self works on ceaselessly, unwearyingly,burrowing always at the very root of life, and heaping up fresh wrongs for other centuries to sweep away.