[…. For Dr. Bronowski, the moral consequence of knowledge is that we must never judge others on the basis of some absolute, God-like conception of certainty. All knowledge, all information that passes between human beings, can be exchanged only within what we might call “a play of tolerance,” whether in science, literature, politics or religion. As he eloquently put it, “Human knowledge is personal and responsible, an unending adventure at the edge of uncertainty.”
The relationship between humans and nature and humans and other humans can take place only within a certain play of tolerance. Insisting on certainty, by contrast, leads ineluctably to arrogance and dogma based on ignorance….
The play of tolerance opposes the principle of monstrous certainty that is endemic to fascism and, sadly, not just fascism but all the various faces of fundamentalism. When we think we have certainty, when we aspire to the knowledge of the gods, then Auschwitz can happen and can repeat itself. Arguably, it has repeated itself in the genocidal certainties of past decades.
The pursuit of scientific knowledge is as personal an act as lifting a paintbrush or writing a poem, and they are both profoundly human. If the human condition is defined by limitedness, then this is a glorious fact because it is a moral limitedness rooted in a faith in the power of the imagination, our sense of responsibility and our acceptance of our fallibility. We always have to acknowledge that we might be mistaken. When we forget that, then we forget ourselves and the worst can happen.]