知识的每一次进步都会带来新的问题和新的困难。
In this world, no one can make you fall. If your faith still stand.
We don't need more objects, we need more connections.
一个公司的文化是由其员工定义的,而不是其政策。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的:它是关于理解的。