...you'll eventually become aware of the limitations of this information. There is a great deal that it doesn't tell you, it's often inaccurate, and it can lead you astray just as much as the New York Times can.
Daniel Ellsberg on the Limits of Knowledge
Kevin Drum - Daniel Ellsberg on the Limits of Knowledge: quoted from Secrets, how Ellsberg gave advice to Henry Kissinger in 1968 on how to deal with the depth of knowledge he'll have from the special clearances of top secret informations. He explained to Kissinger: first you feel like a fool for what you thought was correct was actually wrong, then you see everybody else as fools... And this top secret information is not necessarily accurate but you're not aware at first that it is inaccurate, like Ellsberg says: