P. G. Wodehouse,
The White Feather — Chapter 10…
“ As the days went by, Sheen began to imbibe some of Joe Bevan's rugged philosophy of life. He began to understand that the world is a place where every man has to look after himself, and that it is the stronger hand that wins. That sentence from Hamlet which Joe Bevan was so fond of quoting practically summed up the whole duty of man—and boy too. One should not seek quarrels, but, "being in," one should do one's best to ensure that one's opponent thought twice in future before seeking them. ”
