虚心和实腹的义理都很深奥，但首先要通过虚心才能认识本心。

You have to believe in yourself when no one else does.

The environment is a long-term issue that requires long-term commitment.

勇气不是没有恐惧，而是判断有比恐惧更重要的东西。

Humans should pursue wisdom.

最好的设计来自于对理论和背景的深刻理解。

Behavior is determined by the current stimulus situation and past reinforcement history.

文字的力量是巨大的；它们可以治愈，可以毁灭，最重要的是，它们可以改变。