天下的一切事物不可以没有标准，做人要有做人的标准，即原则;做事要有做事的标准，即规则;治国要有治国的标准，即法则。不遵循一定的标准而能成事者，自古以来是没有的。

Remember that time is money.

There is no perfect knowledge which can be entitled ours, that is innate; none but what has been obtained from experience.

现代物理学的挑战不仅在于找到答案，还在于提出正确的问题。

I adore art. when I am alone with my notes， my heart pounds and the tears stream from my eyes， and my emotion and my joys are too much to bear.

最甜美的果实往往来自最艰难的时节。

对于好的建议，你唯一能做的就是传递它。它对自己从来没有任何用处。