Your brain forms roughly 10,000 new cells every day, but unless they hook up to preexisting cells with strong memories, they die. Serves them right.
— Doug Coupland

The Framers of the Bill of Rights did not purport to create rights. Rather, they designed the Bill of Rights to prohibit our Government from infringing rights and liberties presumed to be preexisting.
Justice William J. Brennan, Jr. preexisting quote

Well, I'm telling them two things. One is that, look, this is going to be something when the American people realize - once it's passed - that, A, it does take care of preexisting conditions; B, you're insurance rates aren't going to skyrocket; C, the insurance companies aren't going to be running the show like they were before; D, you're going to be in a position where you can keep your insurance that you have. That once the American public realizes that, you're going to get a reward for this. They're going to be rewarded.
— Joe Biden

And I'll tell you, honestly, folks that I talk to, the 2.5 million breast cancer survivors in America, that I am one of, understand that we're done with insurance companies dropping us or denying us coverage because of - because we have a preexisting condition.
— Debbie Wasserman Schultz

But we are not going to stand by and go back to allowing people with preexisting conditions to be discriminated against, go back to the situation where people can be thrown off their insurance simply because they become seriously ill or you can't get on your parents' insurance after the age of 20.
— preexisting quotation by David Axelrod