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"I don't think of my work as being for children or for adults. I just think of it as being."

The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.

書是一面鏡子：如果一只猿猴看進去，一個使徒不太可能看出去。

Every mathematical problem is a puzzle waiting to be solved, and every solution is a step closer to understanding the fabric of reality.

永遠不要低估合作的力量。

A good editor knows when to hold on a shot and when to cut away.