Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

The only way to do great work is to love what you do.

感官有时会欺骗我们，因此永远不要完全信任那些曾经欺骗过我们的人，这是明智的。

你不必成为数学家也能对数字有感觉。