Competition is a good thing, it forces you to keep improving.

数学家们至今徒劳地试图在素数序列中发现某种规律，我们有理由相信这是一个人类思维永远无法穿透的谜题。

禁止持有武器的法律。只会解除那些本来就不打算或没有决心要犯罪的人的武装……这样的法律只会让受害者变得更糟，让行凶者更强；它们相当于鼓励而不是阻止凶杀，因为一个没有武装的人更可能被一个武装的人袭击。

The spread of liberal democracy and the integration of the world economy have created a situation in which the only legitimate form of government is one that is based on popular sovereignty and respects basic human rights.

Collaboration across industries is key to solving the global challenges we face in food security.

——2000年10月18日出席西雅图一次会议时的发言

The function of a system of hypotheses is to warn us beforehand what will be our experience—to enable us to make accurate predictions.

In the Internet age, speed is more important than perfection.