“In the state of nature, all men are born equal, but they cannot continue in this equality. Society makes them lose it, and they recover it only by the protection of the laws.”

“Ask not what your country can do for you—ask what you can do for your country.”

“Those who make peaceful revolution impossible will make violent revolution inevitable.”

“The proletarians have nothing to lose but their chains. They have a world to win.”

“War may sometimes be a necessary evil. But no matter how necessary, it is always an evil, never a good. We will not learn how to live together in peace by killing each other's children.”