“We hold these Truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness.”This sentence is perfectly familiar. We know it as a core principle of our founding. But few, if any of us consider why Jefferson wrote it in exactly this way. Why “unalienable rights” and not simply rights? Why “self-evident”...