The most dangerous enemy is often ourselves.

我们必须平衡当今对可负担能源的需求与建设可持续能源未来的必要性。

我们要勇于面对挑战，敢于突破自我。

When each day is the same as the next, it's because people fail to recognize the good things that happen in their lives every day that the sun rises.

If winning becomes too important in a game， change the rules to make it more fun. Changing rules can become the new game.

If somebody offers you an amazing opportunity but you are not sure you can do it, say yes – then learn how to do it later!

实现明天理想的唯一限制是我们今天的疑虑。

贫困的问题不在于人们懒惰，而在于经济体系没有为他们提供机会。