一个人的错误是他的发现之门。
A man's errors are his portals of discovery.
In mathematics, you don't understand things. You just get used to them.
"You have to believe in the long term plan you have but you need the short term goals to motivate and inspire you."
Transparency builds trust - with employees, shareholders and the public.
Happiness is the journey, not the destination.
可持续发展不是一种选择；它是能源未来的必要条件。