With assumption testing, most of our learning comes from failed tests. That’s when we learn that something we thought was true might not be. Small tests give us a chance to fail sooner. Failing faster is what allows us to quickly move on to the next assumption, idea, or opportunity. Karl Popper, a renowned 20th-century philosopher of science, in the opening quote argues, “Good tests kill flawed theories,” preventing us from investing where there is little reward, and “we remain alive to guess again,” giving us another chance to get it right.
