By asking a novel question that you don't know the answer to, you discover whether you can formulate a way of finding the answer, and you stretch your own mind, and very often you learn something new.
“When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity.”
“It never occurred to me that we would have as grandiose a program as the Marshall Plan, but I felt that we had to do something to save Europe from economic disaster which would encourage the Communist takeover.”