理解的改進(jìn)有兩個(gè)目的：第一，我們自己知識(shí)的增加；第二，使我們能夠?qū)⑦@種知識(shí)傳授給他人。
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
未來(lái)的最大希望在于教育下一代。
有時(shí)最簡(jiǎn)單的問(wèn)題會(huì)引出最深?yuàn)W的理論。
最終，我們將記住的不是敵人的話語(yǔ)，而是朋友的沉默。
People with a sense of fulfillment think it a good world and would like to conserve it as it is, while the frustrated favor radical change.
"A great film is one that stays with you long after you've left the theater."
Free vaccines are more valuable than expensive treatments, yet harder to promote.