Give the pupils something to do， not something to learn； and the doing is of such a nature as to demand thinking； learning naturally results.
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。
We have a responsibility to use our science to improve lives, not just to make profits.
如果你不愿意冒险，就永远无法创造出真正非凡的东西。
People don’t notice whether it’s winter or summer when they’re happy.
想要让人群或醉汉安静下来的话，只需要小点声说话就行。