It is what we know already that often prevents us from learning.

The test of leadership is not to put greatness into humanity but to elicit it for the greatness is already there.

A significant number of pages and sentences that the administration wants to keep in a classified status have already been released publicly some of it by public statements of the leadership of the CIA and the FBI.

I have run a general election campaign pregnant and ran Ed Miliband's leadership campaign commuting to London with a new baby so I already have my system set up.

The task of leadership is not to put greatness into humanity but to elicit it for the greatness is already there.

If you want a quality act as if you already had it.

These past years as we have been recovering and given our city a rebirth we have been encouraged by our faith knowledge and steadfast belief that we will pull through. There will be challenges and setbacks as there have already been but we will continue and we the citizens of New Orleans will prevail in bringing our city back.

Obama has already rejected the bright sunlight of public knowledge which is democracy's great disinfectant and cure.

One can decide that the principal role of knowledge is as an indispensable element in the functioning of society and act in accordance with that decision only if one has already decided that society is a giant machine.

You have already disarmed my men without my knowledge are their arms to be returned or not?

With all the knowledge and skill acquired in thousands of flights in the last ten years I would hardly think today of making my first flight on a strange machine in a twenty-seven mile wind even if I knew that the machine had already been flown and was safe.

Very few beings really seek knowledge in this world. Mortal or immortal few really ASK. On the contrary they try to wring from the unknown the answers they have already shaped in their own minds.

No man can reveal to you nothing but that which already lies half-asleep in the dawning of your knowledge.

We can't gather the intelligence we need to foil future attacks if we are blindly granting terrorists the right to remain silent. But for some reason we've already done that - with the terrorist who tried to bring down Flight 253.

Bottom line is I didn't return to Apple to make a fortune. I've been very lucky in my life and already have one. When I was 25 my net worth was $100 million or so. I decided then that I wasn't going to let it ruin my life. There's no way you could ever spend it all and I don't view wealth as something that validates my intelligence.

It is not worth an intelligent man's time to be in the majority. By definition there are already enough people to do that.

All intelligent thoughts have already been thought what is necessary is only to try to think them again.