I think that the Cold War was an exceptional and unnecessary piece of cruelty.

The ability to get to the verge without getting into the war is the necessary art. If you try to run away from it if you are scared to go to the brink you are lost.

In order for a war to be just three things are necessary. First the authority of the sovereign. Secondly a just cause. Thirdly a rightful intention.

War can only be abolished through war and in order to get rid of the gun it is necessary to take up the gun.

The war... was an unnecessary condition of affairs and might have been avoided if forebearance and wisdom had been practiced on both sides.

For a war to be just three conditions are necessary - public authority just cause right motive.

Allow the president to invade a neighboring nation whenever he shall deem it necessary to repel an invasion and you allow him to do so whenever he may choose to say he deems it necessary for such a purpose - and you allow him to make war at pleasure.

Never think that war no matter how necessary nor how justified is not a crime.

In order that all men may be taught to speak the truth it is necessary that all likewise should learn to hear it.

If you would be a real seeker after truth it is necessary that at least once in your life you doubt as far as possible all things.