If we could suppose a great multitude of men to consent to the observation of justice, and other laws of Nature, without a common Power to keep them all in awe; we might as well suppose all mankind to do the same; and then there neither would be nor need to be any civil government or commonwealth at all, because there would be Peace without subjection.

The Moral and Political Works of Thomas Hobbes of Malmesbury (ed. 1750)