The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
学习理论中的一个关键见解是,假设类的复杂性对于泛化至关重要。
我认为,一个好的导演应该能够理解并尊重每一个角色的内心世界。
行业与社区的合作是保护森林的关键。
Every tomorrow has two handles. We can take hold of it with the handle of anxiety or the handle of faith.