改变是不可避免的，而成长是可选的。

Ignorance more frequently begets confidence than does knowledge.  

Seeing, hearing, and remembering are all acts of construction.

计算复杂性的美在于它能够根据问题的固有难度对问题进行分类。

"Scale is never just about size - it's about relationship and perception."

I think of other ages that floated upon the stream of life and love and death and are forgotten,and I feel the freedom of passing away.

The only way to learn mathematics is to do mathematics.