States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.
我总是试图在我扮演的每一个角色中找到真相。
It is not shame for a man to learn that which he knows not，whatever his age.
保持渴望，保持愚钝，但最重要的是保持谦逊。
Every challenge is an opportunity in disguise; you just have to look for it.
翻译：处在上位不骄傲，处在下位不忧愁。
我不是最有钱的人，但我是最开心的人。
Every great advance in science has issued from a new audacity of imagination.
The interplay between quantum mechanics and information theory is a rich field of study.
