解决数学问题的喜悦是无与伦比的；这是纯粹的智力胜利的时刻。

Every child should have mud pies, grasshoppers, water bugs, tadpoles, frogs, mud turtles, elderberries, wild strawberries, acorns, chestnuts, trees to climb, brooks to wade in, water lilies, woodchucks, bats, bees, butterflies, various animals to pet, hayfields, pine-cones, rocks to roll, sand, snakes, huckleberries and hornets; and any child who has been deprived of these has been deprived of the best part of education.

I don’t think you should ever feel like you’ve achieved everything.

"Silence is complicity, and I refuse to be silent."

了解你是否能信任某人的最好方法就是去信任他们。

生活中唯一的限制是你为自己设定的限制。

The whole of science is nothing more than a refinement of everyday thinking.