最终，我们只会后悔没有抓住的机会。
"In the end, we only regret the chances we didn't take."
We live in a world where people are judged by their worst actions, not their best.
The same principles which at first view lead to skepticism， pursued to a certain point， bring men back to common sense.
实现明天的唯一限制是我们今天的疑虑。
"What good is the warmth of summer, without the cold of winter to give it sweetness."
孩子拿书的方式会告诉你他们对这本书的全部感受。