合作是科学的关键——没有任何突破是孤立发生的。
Collaboration is key in science—no breakthrough happens in isolation.
The anarchic nature of the international system forces states to compete for power.
所有老年人共享的大秘密是，你在七八十年里真的没有改变。你的身体改变了，但你一点也没变。当然，这会引起很大的困惑。
The real danger is not that computers will begin to think like men, but that men will begin to think like computers.
But there is no such liberty as the power to dispose of what we please.