疾病是生命的黑夜面，一种更沉重的公民身份。每个出生的人都持有双重国籍，在健康王国和疾病王国。
Illness is the night-side of life, a more onerous citizenship. Everyone who is born holds dual citizenship, in the kingdom of the well and in the kingdom of the sick.
The true value of oil lies in its ability to transform economies and societies.
An expert is a person who has made all the mistakes that can be made in a very narrow field.
In mathematics, the simplest questions often lead to the deepest insights.
未经测试的程序是无法正常工作的。
发散级数是魔鬼的发明，基于它们的任何证明都是一种耻辱。
任正非内部讲话稿