数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。
The key to managing complexity is to focus on the interfaces between components, not their implementations.
The mind is very much influenced by its previous impressions.
You can't please everyone, so just be yourself.
创造力是用之不竭的。你用得越多,拥有的就越多。