科学不是寻找绝对真理，而是不断推动我们理解的边界。

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.

In the end, we are all alone, and we must face the consequences of our actions by ourselves.

一行好诗应该让你惊讶两次：当你写下它时和当你读到它时。