The greatest danger is not that we will lose our way, but that we will become content with where we are.

We are on the verge: Today our program proved Fermat's next-to-last theorem.

Music is a moral law. It gives a soul to the universe, wings to the minds, flight to the imagination, a charm to sadness, gaiety and life to everything. It is the essence of order, and leads to all that is good, just, and beautiful.

一个人倘若不为自己思考，那就从未思考过。

有人居住的世界的边界是由人类知识的极限决定的。