The best way to be successful is to take risks.
The theory of probabilities is at bottom nothing but common sense reduced to calculus.
弦理论提供了一个框架,使得量子力学和广义相对论能够和谐共存。
The fountain of content must spring up in the mind, and they who have so little knowledge of human nature as to seek happiness by changing anything but their own dispositions will waste their lives in fruitless efforts.