变革在开始时最难，在中间最混乱，在结束时最好。

The novel is the most democratic of art forms because it requires only a reader.

The only way to do great work is to love what you do.

The world is a book, and those who do not travel read only a page.

The causal model is the key to making sense of the world.

In the age of big data, the mathematical principles of data structures and algorithms have become more critical than ever.