But the old man thought only of his steering and his great tiredness. He had gone out too far and the sharks had beaten him. He knew they would leave him nothing but the stripped skeleton of his great catch.

The highest goal of education is not knowledge, but action.

The greatest weapon against stress is our ability to choose one thought over another.

我不想成为环境的产物，我想让环境成为我的产物。

You can't manage what you don't measure, and you can't improve what you don't manage.