The anarchic nature of the international system means that states must rely on self-help to ensure their survival.

人类基因组是生命的软件，我们正在学习如何重新编程它。

The biggest risk is not taking any risk... In a world that's changing really quickly, the only strategy that is guaranteed to fail is not taking risks.

If you go back a few hundred years, what we take for granted today would seem like magic—being able to talk to people over long distances, to transmit images, flying, accessing vast amounts of data like an oracle. These are all things that would have been considered magic a few hundred years ago.