There is no such thing as a quality problem. There are only problems, and the solutions to those problems may involve quality considerations.

我很高兴活着，我很高兴成为我自己。

Innovation is key to solving the energy challenges of tomorrow.

我从不担心行动。而只担心没有任何行动。

快乐不是一件自我存在的东西，它仅是与其他不快乐事情的一个相对比照，这就是快乐的整个情况。