我一直都是一个斗士，我认为这就是我能够坚持下去的原因。

Gratitude is a simple practice that can have profound effects on your well-being.

官僚的效用函数中包括其预算规模作为一个参数。

Every effort is an investment in the future, a wisdom understood by the wise.

真理就是在经验面前站得住脚的东西。