如果你不固执，就会过早放弃试验。如果你不灵活，就会头撞南墙，而无法另辟蹊径解决当下难题。
If you're not stubborn， you'll give up on experiments too soon. And if you're not flexible， you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.
当你跟随内心或直觉，真正追随那些让你感觉正确的事情，你知道那是对的，这才是创造最佳结果的唯一途径。
Be brave enough to be bad at something new.
Mathematics is the language with which God has written the universe.
人心难测，表面友善的人，内心未必真诚。
人们害怕他们不理解的东西，憎恨他们无法征服的东西。
The total amount of suffering per year in the natural world is beyond all decent contemplation. During the minute that it takes me to compose this sentence, thousands of animals are being eaten alive, many others are running for their lives, whimpering with fear, others are slowly being devoured from within by rasping parasites, thousands of all kinds are dying of starvation, thirst, and disease.