It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.

每一个挑战都是学习和改进的机会。

The deepest problems in mathematics often arise from the simplest questions.

We don't inherit the land from our ancestors; we borrow it from our children.

"Writing is a way to make sense of our emotions."

Quality is never an accident; it is always the result of intelligent effort.

我对人类的状况和是什么让人们心动感兴趣。