The past is never dead. It's not even past.

The sun himself is weak when he first rises, and gathers strength and courage as the day gets on.

最好的学习方法就是动手去做——在实验室里亲自动手。

Literature is the memory of humanity, and without it, we are lost.

切勿对已经敞开心胸的人闭上双唇。