最深刻的真理往往是我们最抗拒的。

Every step you take in the wild is a step towards understanding yourself better.

Don't give in to your fears... If you do, you won't be able to talk to your heart.

Coal miners are the unsung heroes of America's industrial strength.

Don't wait until they tell you, you are ready. Show it. Do it.

Innovation is not about saying yes to everything. It’s about saying no to all but the most crucial features.