Okay, Elena Kagan didn't really say that, but here's what she did say about the Framers, in response to a question from Sen. Leahy:
“Sometimes they laid down very specific rules. Sometimes they laid down broad principles. Either way, we apply what they tried to do. In that way, we are all originalists.”
For two competing views on whether Kagan was forthcoming, or cagey, in her testimony, see this in the Washington Post.