没有听到不如亲耳听到,亲耳听到不如亲眼见到,亲眼见到不如清楚知道,清楚知道不如亲自实践。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
愤怒的时候我会去打球,把怒气发泄在球上。
Sustainability isn't a trend—it's a responsibility we owe to future generations.