挑战让生活有趣，克服它们让生活有意义。

解释：走夜路的人可以保证自己不做坏事，但却没有办法让狗不对着自己乱叫。

I think the most important thing in life is to be true to yourself.

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

To live outside the law， you must be honest.