When people believe they have absolute knowledge with no test in reality, this is how they behave. This is what men do when they aspire to the knowledge of gods. Science is a very human form of knowledge. We are always at the brink of the known, we always feel forward for what is to be hoped. Every judgment in science stands on the edge of error and is personal. Science is a tribute to what we can know, although we are fallible.  [Jacob Bronowski at Auschwitz, looking at ash pond]