“If you think we can't change the world, it just means you're not one of those who will.”

“With the observable fact that scientific knowledge makes our lives better when applied with concern for human welfare and environmental protection, there is no question that science and technology can produce abundance so that no one has to go without.”

“If our system continues without modification involving environmental and social concern, we will face an economic and social breakdown of our outdated monetary and political system.”

“It takes a different value system if you wish to change the world.”

“Man, in the collective sense, is the hero of science. Man, in the collective sense, is the hero of Earth.”

“I don't believe in the Great Man theory of science or history. There are no great men, just men standing on the shoulders of other men and what they have done.”

“Democracy is a con game. It’s a word invented to placate people to make them accept a given institution. All institutions sing, ‘We are free.’ The minute you hear ‘freedom’ and ‘democracy’, watch out… because in a truly free nation, no one has to tell you you’re free.”

“If you think we can't change the world, it just means you're not one of those who will.”