科学中最重要的事情是不要停止提问。
The most important thing in science is not to stop questioning.
Productive thinking is characterized by the sudden appearance of the solution as an insight.
The smart way to keep people passive and obedient is to strictly limit the spectrum of acceptable opinion, but allow very lively debate within that spectrum.
Under totalitarianism, silence is also a form of resistance.
给学生一些事情去做，而不是一些东西去学；而这些事情的性质需要思考；学习会自然而然地发生。
If debugging is the process of removing software bugs, then programming must be the process of putting them in.
