As one story goes, the famous 20-century physicist Niels Bohr and his team were interviewing a young man for a job. As part of the interview, the man described a hypothesis he had developed. A few days later, the man returned to find out whether he had been hired. Bohr greeted him with these words: "We are all agreed that your hypothesis is crazy. What divides us is whether it is crazy enough to be correct." The man was hired. What example of scientific thinking does Bohr's response best indicate?