Learn how to tie a bowline knot. Practice in the dark. With one hand. For the rest of your life you’ll use this knot more times than you would ever believe.

我对与任何人竞争都不感兴趣。我希望我们都成功。

Fear is not the enemy. It is the refusal to face it that destroys us.

The balance between energy needs and environmental protection is the challenge of our time.