Education is not the filling of a pail, but the lighting of a fire.

The only limit to our realization of tomorrow is our doubts of today.

Profitability and sustainability are not opposites; they are two sides of the same coin. A business that harms the environment ultimately harms itself.

老师声称代数是完美而自然的、我们应无条件地接受它，而我甚至不能理解什么是数。对我来说数学课完全就是恐怖和折磨。我完全不理解代数，这使我胆怯得不敢问任何问题。

重要的不是你被击倒，而是你是否能站起来。