There'll be differences of opinion in just about every intelligence analysis that you make.

- Robert Mueller

No one has ever been able to convince me that optimism is not preferable to pessimism.

- Robert Mueller

I think around the world, our agents are the best collectors of information you'll find.

- Robert Mueller

We cannot go up on a wire. We cannot do a search without a judge on the FISA Court approving it and determining that we have met the standard that ha…

- Robert Mueller

Leaking of classified material is a concern.

- Robert Mueller

So without getting into the specifics, I can tell you that to the extent that investigation is a relatively important investigation and meaningful, t…

- Robert Mueller

I would say in just about every investigation we have, there will be differences of opinion, where you have partial facts, as to what those facts mea…

- Robert Mueller

I asked a Burmese why women, after centuries of following their men, now walk ahead. He said there were many unexploded land mines since the war.

- Robert Mueller

In the future, the cyber threat will equal or even eclipse the terrorist threat.

- Robert Mueller