The best way to predict the future is to create it.
You can't control the waves, but you can learn to sail in any weather.
We must balance economic growth with environmental responsibility - they are not mutually exclusive.
A sustainable coal industry is possible if we commit to the right technologies.
I'm always looking for ways to improve, even when I'm at the top.
处理一个不自由的世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反叛。