比较是幸福的最大杀手。如果一定要比较，就拿昨天的自己作为比较对象。

懒惰是所有恶习的开端，所有美德的王冠。

I have always been a very independent person, and I still am.

The architecture of the human mind is better adapted to the Pleistocene than to the modern world.

The rocks may be hard, but our resolve must be harder.