You’re about to receive a whole slew of special clearances, maybe fifteen or twenty of them, that are higher than top secret…

First, you’ll be exhilarated by some of this new information, and by having it all — so much! incredible! — suddenly available to you. But second, almost as fast, you will feel like a fool for having studied, written, talked about these subjects, criticized and analyzed decisions made by presidents for years without having known of the existence of all this information.

Daniel Ellsberg speaking to Henry Kissinger in 1968