可持续发展不再是选择，而是生存的必需。

死亡可能是人类最伟大的福气。

挑战让生活有趣，而克服挑战让生活有意义。

Don't have good ideas if you aren't willing to be responsible for them.

We never cease to stand like curious children before the great mystery into which we were born.

做出伟大工作的唯一方法就是热爱你所做的事。