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

在科学中，荣誉归于说服世界的人，而不是首先想到这个想法的人。

Stay true to yourself and never let what somebody else says distract you from your goals.

Every day is a new opportunity to change your life.

代数是人类创造的一种智力工具，用于清晰地表达世界的数量关系。