历史不仅仅是坏人做坏事的故事，也是好人无所作为的故事。

The key to success in machine learning is not just the algorithm, but the data.

学习数学的最好方法就是做数学。

Memory is identity... You are what you have done; what you have done is in your memory; what you remember defines who you are.

挑战在于将平凡变为非凡。