并不总是需要比别人更好，而是要比过去的自己更好。
It's not always necessary to be better than everyone else, but to be better than you used to be.
我们讲述的故事塑造了我们是谁。
I therefore have decided to read only the writings of men who have been executed or have risked their lives in some way.
"The hardest thing in life is to know which bridge to cross and which to burn."
解释：说同样的话，由于说话的人不同，人们心中的看法也会随之改变。
对物质拓扑相的研究不仅仅是发现新材料；它是关于揭示支配量子世界的基本原理。