Hyperefficient Quotes

“The mathematician Abraham Wald pointed out the terrible flaw in this logic. He suggested the researchers look at the data they did not have: the planes that hadn’t returned. What if the planes with the bullet holes were able to fly back because of where their bullets struck them? This led to the realization that the parts of the plane that needed reinforcing were those that had no bullet holes in the planes that made it back.”
― Mithu Storoni, Hyperefficient: Optimize Your Brain to Transform the Way You Work