732 Quotes by Donald Rumsfeld

There are known knowns, things we know that we know; and there are known unknowns, things that we know we don't know. But there are also unknown unknowns, things we do not know we don't know.

Reports that say that something hasn't happened are always interesting to me, because as we know, there are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns- the ones we don't know we don't know.

Those who made the decisions with imperfect knowledge will be judged in hindsight by those with considerably more information at their disposal and time for reflection.

A large number of people to begin crawling through those tunnels and caves looking for the bad folks.

Don't think of yourself as indispensable or infallible. As Charles De Gaulle said, the cemeteries of the world are full of indispensable men.

We've decided that it's time to shift our posture in Europe and Asia and around the world and move from static defense, which does not make much sense today, to a more deployable and usable set of capabilities,

We're committed to staying -- as long as necessary with as many forces as necessary to successfully complete the mission,

They undoubtedly come through Syria and they come through Iran, probably, and through other countries to be available for tasks that he has in mind, ... And money comes in as well.

The Iranian regime is today the world's leading state sponsor of terrorism. The world does not want, and must work together to prevent, a nuclear Iran.