Courage is the most important of all the virtues because without courage, you can't practice any other virtue consistently.

动作发展应该是心理高层次的表现或反映，这是修理合乎自然发展逻辑的。

We must invest in our people as much as we invest in our technology.

世界是一片伟大的沙漠，我们是其中的旅行者。