过去从未死去。它甚至不是过去。
The past is never dead. It's not even past.
亲戚都不归附,也就不要对外办交际。
The relation between what we see and what we know is never settled.
粒子的概念只是一个近似,在经典极限下有效。
格瓦拉第二次漫游南美前对母亲说
The more I learn, the more I realize how much I don’t know.