"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."
"Science without religion is lame, religion without science is blind."
"Everything must be made as simple as possible. But not simpler."
"I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use."
"Two things are infinite- the universe and human stupidity; and I'm not sure about the universe."
"One planet, one experiment."
"The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth."
"Today the network of relationships linking the human race to itself and to the rest of the biosphere is so complex that all aspects affect all others to an extraordinary degree. Someone should be studying the whole system, however crudely that has to be done, because no gluing together of partial studies of a complex nonlinear system can give a good idea of the behavior of the whole."
"If we knew what it was we were doing, it would not be called research, would it?"
"Science may be described as the art of systematic oversimplification."
"An expert is a person who has made all the mistakes that can be made in a very narrow field."
"It would be possible to describe everything scientifically, but it would make no sense; it would be without meaning, as if you described a Beethoven symphony as a variation of wave pressure."