Albert Einstein is said to have been asked by a student, “what finding helped you most when you were __1__ the theory of relativity?” Einstein replied without __2__ moment’s hesitation. “Finding how to think about the problem.”

The same __3__ is told about Sir Isaac Newton and __4__ other scientists. We have no proof __5__ any of these well-known conversations __6__ took place, but we are prepared to believe that they did, and, if so, that the __7__ was the same one Einstein gave, __8__ this is the “way scientists work and science progresses.”