成功不是幸福的关键。幸福是成功的关键。如果你热爱你所做的事情，你就会成功。
"I think children are naturally curious and open to new ideas, and that's something I try to capture in my books."
人类的心灵起源于爱和争斗在体内的平衡。
The progress of mathematics is measured by the number of problems it can solve.
Man is an animal that makes bargains: no other animal does this—no dog exchanges bones with another.
人是会讨价还价的动物：没有其他动物会这样做——没有狗会与另一只狗交换骨头。