The most profound discoveries often start with simple observations.
所有老年人共有的一个大秘密是,你在七八十年里其实并没有改变。你的身体变了,但你一点也没变。这当然会引起很大的困惑。
The laws of physics are the language of the universe, and through them, we can begin to comprehend the vastness and complexity of all that exists.