A belief is like a guillotine, just as heavy, just as light.
The best way to learn is by doing.
"You don't have to be perfect to be amazing."
每一个优秀的数学家至少是半个哲学家，而每一个优秀的哲学家至少是半个数学家。
The paper industry has a rich history, but we must always look forward.
唯一真实的旅程是内心的旅程。