The only way to be successful is to work hard and never give up.

No matter how complex or refined, all behavior is to be explained in terms of stimulus and response.

In modern life nothing produces such an effect as a good platitude. It makes the whole worldkin.

每一本书都是对文字变革力量的一次信仰行为。

I’m not afraid to take risks.

物理学和数学之间的界限并不像我们想象的那么清晰。