"Don't worry. You don't know enough to worry. . . . Who do you think you are that you should worry, for cryin' out loud. It's a total waste of time. It presupposes such a knowledge of the situation that it is, in fact, a form of hubris."

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So with each advance in understanding come new questions. So we need to be very humble. We shouldn’t have hubris and think that we can understand everything. But history tells us that there is good reason to believe that we will continue making fantastic progress in the years ahead.

— Max Tegmark