每个问题都有两面性。

人类的灵魂是一片黑暗而广阔的森林，里面充满了野性的生命。

The real voyage of discovery consists not in seeking new landscapes, but in having new eyes.

宇宙不仅比我们想象的更奇怪，而且比我们能够想象的更奇怪。

The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it, that being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.