In mathematics, you don't understand things. You just get used to them.
在数学中,你并不理解事物。你只是习惯了它们。
I love to practice. When I'm not playing, I'm practicing.
The truth is that we are all alone in the world.
The more we learn about the universe, the more we realize how much we don't know.
The spread of liberal democracy has been accompanied by the spread of a global culture that is increasingly homogeneous.