Our perceptions of truth are built around what is practical, not what is true. Even the smartest human brain doesn't have the capacity for discerning true facts. That's why so many of us settle for scientific facts. It's the best we can do.
Scott AdamsDinosaur: I plan to use punctuated equilibrium to turn this zit into a third eye. Catbert: That's not a natural advantage. You'd better stay away from the fitter dinosaurs.
Scott Adams