一門科學(xué)的歷史就是它的問題域的歷史。
真正的進(jìn)步發(fā)生在我們停止為過去優(yōu)化，開始為未來建設(shè)之時(shí)。
Every stroke, every breath, every moment is a step closer to your goal.
War is an ugly thing， but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war， is much worse.