"I have always believed that it is possible to achieve peace through understanding."

"Everyone should know that the 'war on cancer' is largely a fraud."

"I am not, however, militant in my atheism. The great English theoretical physicist Paul Dirac is a militant atheist. I suppose he is interested in arguing about the existence of God. I am not. It was …"

"The only way to get a good idea is to get a lot of ideas and throw the bad ones away."

"Science is the search for truth, but it is not the search for certainty. When science is used to search for certainty, it becomes something other than science."