I thought scientists were going to find out exactly how everything worked, and then make it work better.

I think, therefore I am, therefore I am photographable.

There is no reason why good cannot triumph as often as evil. The triumph of anything is a matter of organization. If there are such things as angels, I hope that they are organized along the lines of the Mafia.

There's a Chaplain who never visited the front.

One of [ways being lucky] was to go to school during the Great Depression because teaching became a plum job.

If I were a physics teacher or a science teacher, it'd be on my mind all the time as how the hell we really got this way. It's a perfectly natural human thought and, okay, if you go into the science class you can't think this. Well, alright, as soon as you leave you can start thinking about it again without giving aid and comfort to the lunatic fringe of the Christian religion.

I have told my sons that they are not under any circumstances to take part in massacres, and that the news of massacres of enemies is not to fill them with satisfaction or glee. I have also told them not to work for companies which make massacre machinery, and to express contempt for people who think we need machinery like that.