I don’t think you should spend much time being unhappy about the bad breaks. You get a lot of them, but you also get a lot of good ones. The thing to do is just to maximize your odds of using the good ones and minimizing the effects of the bad ones.

生于古人之后而议论古人的缺点失误容易，而若处于古人的位置做古人所做的事就很难

DNA的结构不仅仅是一个发现；它是生物学上的一场革命。