Mathematics is the language in which the gods talk to people.
半导体制造中的每次失败都比成功教会我们更多。
The difference between theory and practice is that in theory, there is no difference between theory and practice, but in practice, there is.
——〈在广州岭南学堂的演说〉,1912年5月7日
Will you wilt under criticism, or will you follow your convictions?