我们不要害怕犯错，因为只有通过犯错我们才能学习和进步。
We must not be afraid to be wrong, for only by being wrong can we learn and progress.
他知道世界是为男人而造的，而男人生来就是为了看这个世界。
世界是一本书，不旅行的人只读了一页。
Education is an admirable thing. But it is well to remember from time to time that nothing that is worth knowing can be taught.
证明的目的是理解，而不仅仅是验证。