I got a kick out of removing the weapons and replacing them with gestures.

In Iraq, to show sincerity you have to put more effort into your gestures.

Many of the conflicts in the world today could be avoided if people could communicate better.

We have to learn again that science without contact with experiments is an enterprise which is likely to go completely astray into imaginary conjecture.

We should remember that there was once a discipline called natural philosophy. Unfortunately, this discipline seems not to exist today. It has been renamed science, but science of today is in danger of losing much of the natural philosophy aspect.

I have always believed that astrophysics should be the extrapolation of laboratory physics, that we must begin from the present universe and work our way backward to progressively more remote and uncertain epochs.