We must invest in our people as much as we invest in our technology.
The beauty of physics lies in its ability to explain the universe with a few simple principles.
The best way to learn mathematics is to do mathematics.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
I'm not perfect, but I'm striving every day to be better than I was yesterday.
在最低阶层中保存知识的手段对公众来说比国家中所有富人的所有财产都更重要。
Do not be influenced by the opinions of others.