The benefits of being crazy..............

"Putting this another way, humans did not evolve to acquire a detailed knowledge of the universe. We evolved in order to bring the next generation to sexual maturity. Understanding the world as it is, in great detail, is of no benefit and would possibly be a great detriment. Instead, we have evolved to perceive the world in a way that allows us to navigate it in the short run, with the highest possibility of success. For those disinclined to accept evolution, God has literally made us crazy, to our great benefit."

-as excerpted from here