"We know very little, and yet it is astonishing that we know so much, and still more astonishing that so little knowledge can give us so much power."

"Men are born ignorant, not stupid; they are made stupid by education."

"Religion is something left over from the infancy of our intelligence, it will fade away as we adopt reason and science as our guidelines."

"It is obvious that 'obscenity' is not a term capable of exact legal definition; in the practice of the Courts, it means 'anything that shocks the magistrate.'"

"The secret of happiness is this: Let your interests be as wide as possible, and let your reactions to the things and persons that interest you be as far as possible friendly rather that hostile."

"One of the symptoms of an approaching nervous breakdown is the belief that one's work is terribly important."

"Science is one thing, wisdom is another. Science is an edged tool, with which men play like children, and cut their own fingers."

"Science has proof without any certainty. Creationists have certainty without any proof."

"All science is either physics or stamp collecting."

"There are no such things as applied sciences, only applications of science."

"The great tragedy of Science - the slaying of a beautiful hypothesis by an ugly fact."

"There is something fascinating about science. One gets such wholesale returns of conjecture out of such a trifling investment of fact."