用户要的不是技术，用户要的是更好的体验。
No arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.
安全是石油行业的生命线，任何时候都不能放松。
The climate doesn't care about political boundaries.
The true teacher defends his pupils against his own personal influence. He inspires self-distrust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.
The most profound ideas in mathematics often arise from the simplest observations.
The truth is rarely pure and never simple.