最终，我们记住的不是敌人的话语，而是朋友的沉默。

The true value of a forest cannot be measured in board feet alone.

Nowadays, particularly in the United States, if you meet someone at the bottom of society, they may unkindly be described as a "loser." There's a real difference between an unfortunate and a loser, and that shows 400 years of evolution in society and our belief in who is responsible for our lives. It's no longer the gods, it's us. We're in the driving seat.

Sometimes the bravest thing is to keep going when everything seems lost.

科学的美丽在于它揭示未知的能力。