The value of any mental activity is measured by its contribution to successful living.

你得丢开以往的事，才能不断继续前进！”我想那就是我这次跑步的意义了。

If you want people to do something, make it easy.

"We don't get to choose our own hearts. We can't make ourselves want what's good for us or what's good for other people."

实现真正自由的唯一途径是通过教育和启蒙。