John Foster Dulles : (3) " The measure of success is not whether you have a tough problem to deal with, but whether it is the same problem you had last year. " - John Foster Dulles " We walked to the brink and we looked it in the face. " - John Foster Dulles " There are plenty of problems in the world, many of them interconnected. But there is no problem which compares with this central, universal problem of saving the human race from extinction. " - John Foster Dulles