"The only thing necessary for the triumph of evil is for good men to do nothing."
Literature is the best weapon against intolerance and fanaticism.
The world is a book, and those who do not travel read only one page.
譯文：錢(qián)財(cái)能讓人獲得幸福，但它也能帶來(lái)禍患，有錢(qián)人一定要知曉；藥物能救人，但也能殺人，用藥的人一定要慎重對(duì)待。賞析：錢(qián)財(cái)如藥材一樣，它能治病救人，也能致人死亡。金錢(qián)的好與壞，在于人如何使用它。
使用程序證明四色定理不會(huì)改變數(shù)學(xué)-它只是表明該定理是一個(gè)世紀(jì)的挑戰(zhàn)，對(duì)數(shù)學(xué)可能并不重要。
True discovery often happens at the intersection of curiosity and persistence.