我学到的最重要一课是相信自己。
证明的优雅与其正确性同样重要。
I am not apt to follow blindly the lead of other men.
False happiness renders men stern and proud, and that happiness is never communicated. True happiness renders them kind and sensible, and that happiness is always shared.
The laws of physics are the same everywhere in the universe, and that is a profound truth.