Three things you need: The ability to not give up something till it works， the ability to give up something that does not work， and the trust in other people to help you distinguish between the two.

读书人不能不心胸宽广意志刚强，因为肩负重任而且征途遥远。他把实现仁的理想作为自己的使命，担子难道不重吗？他为这种理想而奋斗，直到死去为止，路途难道不远吗？

化学的美妙之处在于它无处不在——你只需要去发现它。

I decided, very early on, just to accept life unconditionally; I never expected it to do anything special for me, yet I seemed to accomplish far more than I had ever hoped. Most of the time it just happened to me without my ever seeking it.