The study of computational complexity is not just about solving problems, but also about understanding the limits of what can be computed.

We must strengthen international cooperation to jointly address the challenges of energy security and climate change.

打开纠缠在一起的绳结的最好方法，不是要去「解开」绳结，而是要不断地把松动的部分拉得更宽。尽可能把那团乱麻弄大、弄松、弄开。当你打开绳结的时候，它们就会自行解开。这招适用于绳索、线、软管、毛线或者电线。

History isn't just facts—it's the heartbeat of humanity.

History does not repeat itself, but it recurs in different forms.

I don't let anyone make me feel small.

成功不在于你拥有多少资源，而在于你如何利用现有的资源。

如果你确信自己走在正确的道路上，并且内心深知这一点，那么无论别人说什么，都无法让你动摇。

要理解安全通信的未来，首先必须理解当前密码学方法的局限性。