Persistence is key in mathematical research; many great results come from long struggles.

History is not the past. It is the method we have evolved of organizing our ignorance of the past.

理性服从自己；而无知则服从任何强加于它的东西。

创新是经济繁荣的核心问题。

I hold every man a debtor to his profession； from the which as men of course do seek to receive countenance and profit， so ought they of duty to endeavor themselves by way of amends to be a help and ornament thereunto.

I think the best thing you can do is to be true to yourself.