Every discovery in science is built upon the work of countless others before us.

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

I have made a ceaseless effort not to ridicule， not to bewail， not to scorn human actions， but to understand them.

出门没有衣服,进家没有粮食,内心积有耻辱之感,就会一起来发动暴乱,而且无法禁止。小槛黄花共醉

I was in the middle before I knew that I had begun.

The beauty of physics lies in its ability to explain the complex with the simple.

The truth is rarely pure and never simple.

"A book is a fragile creature, it suffers the wear of time, it fears rodents, the elements and clumsy hands. So the librarian protects the books not only against mankind but also against nature and devotes his life to this war with the forces of oblivion."