我们必须学会倾听材料想说什么。
If knowledge can create problems, it is not through ignorance that we can solve them.
The most profound discoveries often come from the simplest observations.
伟大的真理，其反面同样是伟大的真理。
越是仔细审视一个现实世界的问题，其解决方案就越模糊。
It's not about the legs; it's about the heart and the mind.