This was not an act of terrorism but it was an act of war.

Some have argued that confronting the threat from Iraq could detract from the war against terror. To the contrary confronting the threat posed by Iraq is crucial to winning the war on terror.

The terrorists and their supporters declared war on the United States - and war is what they got.

Wanton killing of innocent civilians is terrorism not a war against terrorism.

Operations in Iraq and Afghanistan and the war on terrorism have reduced the pace of military transformation and have revealed our lack of preparation for defensive and stability operations. This Administration has overextended our military.

Four years ago I promised to end the war in Iraq. We did. I promised to refocus on the terrorists who actually attacked us on 9/11. We have. We've blunted the Taliban's momentum in Afghanistan and in 2014 our longest war will be over. A new tower rises above the New York skyline al Qaeda is on the path to defeat and Osama bin Laden is dead.

Light is meaningful only in relation to darkness and truth presupposes error. It is these mingled opposites which people our life which make it pungent intoxicating. We only exist in terms of this conflict in the zone where black and white clash.

There is no original truth only original error.

I see that the path of progress has never taken a straight line but has always been a zigzag course amid the conflicting forces of right and wrong truth and error justice and injustice cruelty and mercy.

Books and all forms of writing are terror to those who wish to suppress the truth.

Be calm in arguing for fierceness makes error a fault and truth discourtesy.

An error is the more dangerous in proportion to the degree of truth which it contains.

There are sadistic scientists who hurry to hunt down errors instead of establishing the truth.

The man who cannot endure to have his errors and shortcomings brought to the surface and made known but tries to hide them is unfit to walk the highway of truth.

It is one thing to show a man that he is in an error and another to put him in possession of the truth.

There is no such source of error as the pursuit of truth.

Truth is a good dog but always beware of barking too close to the heels of an error lest you get your brains kicked out.

Truth emerges more readily from error than from confusion.

What is earnest is not always true on the contrary error is often more earnest than truth.

The discovery of truth is prevented more effectively not by the false appearance things present and which mislead into error not directly by weakness of the reasoning powers but by preconceived opinion by prejudice.

If you shut the door to all errors truth will be shut out.

Man approaches the unattainable truth through a succession of errors.

To rise from error to truth is rare and beautiful.

It is error only and not truth that shrinks from inquiry.