The United States has no permanent enemies, no permanent friends, only permanent interests.

后街男孩一直专注于音乐和粉丝。

我今天才知道，我之所以漂泊就是在向你靠近。

If you want to live a happy life, tie it to a goal, not to people or things.

数学之美在于它能够如此精确地描述宇宙。