记忆既是我们的监狱，也是我们通往自由的唯一道路。

Always think big and don't listen to people who tell you it can't be done.

可持续发展不是选择，而是负责任企业的唯一出路。

这句话其实是莎士比亚借哈姆雷特之口说的，但是霍金非常喜欢，曾在自己著作中多次引用，所以很多人误以为本句话是霍金说的。

You have to believe in yourself when no one else does. That's what makes you a winner.

The tragedy of great power politics is that even well-intentioned states are forced to act in ways that can lead to conflict and war.

婴儿不是需要修理的物品，而是需要理解的人。