The central task of education is to implant a will and facility for learning; it should produce not learned but learning people. The truly human society is a learning society, where grandparents, parents, and children are students together.

Action is character.

"The human voice is the most powerful tool we have to convey the depth of our experiences."

数学的快乐来自于复杂事物变得简单的清晰时刻。

The pursuit of knowledge for its own sake, an almost fanatical love of justice, and the desire for personal independence—these are the features of the Jewish tradition which make me thank my stars that I belong to it.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.