States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.
Time is a slippery thing: lose hold of it once, and its string might sail out of your hands forever.
The greatest thing about tomorrow is I will be better than I am today.
我不是说唱歌手，我是一个神。
我明白了成长意味着不害怕尝试新事物。