最伟大的知识是认清自己。

最小作用量原理是物理学的一个统一原理。

译文：事业很难成功却很容易失败，时机非常难得却容易失去。赏析：没有人能随随便便成功。成功不光要有坚韧不拔的意志，还要找对方向，付出百倍甚至千倍的努力。成功的时机也很重要，抓住时机能事半功倍。

Directing is about creating an environment where actors feel safe to take risks.

The only sensible ends of literature are, first, the pleasurable toil of writing; second, the gratification of one's family and friends; and lastly, the solid cash.

重要的不是你被击倒，而是你是否能站起来。

Innovation is the only way to break through the bottleneck.

States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.