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.

War is a tragedy, but sometimes necessary.

文化适应不是一个被动的过程，而是一个主动的过程，涉及技术和社会的创新。