最好的投资是那些能够改变世界的人。
Every piece I create is a question, not an answer.
The day I stop believing I can win is the day I'll stop playing tennis.
The propensity to truck, barter, and exchange one thing for another is common to all men, and to be found in no other race of animals.
“在科学中,重要的不是获得新的事实,而是发现思考它们的新方法。”