每一次技术突破的背后，都是无数次失败的积累。
Behind every technological breakthrough is the accumulation of countless failures.
荒野不是一个地方。它是一个季节。
War is an ugly thing， but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war， is much worse.
The difference between ordinary and extraordinary is that little extra.
到达另一边的唯一方法就是穿过那扇门。
The AdS/CFT correspondence is a powerful tool for understanding quantum gravity.