A mathematician's work is never done; there are always new questions to explore and new mysteries to uncover.
我认为对古代好的东西要阐述奖惩,对现在好的东西要创造,不过是希望好的东西越来越多罢了。 
Chemistry is not just about mixing things in a flask. It's about understanding the world at a molecular level.
Make it a rule never to give a child a book you would not read yourself.
治理社会就应当完全根据这种共同的利益。人们总是愿意自己幸福,但人们并不总是能看清楚幸福。
世界上充满了神奇的事物,耐心地等待着我们的感官变得更加敏锐。