Can't resist a literal answer to Catspaw's problem "why is it the more I know the more ignorant I feel?" (paraphrased) Consider "knowledge space" which is a sphere filled with all the things you know; its volume is of course 4/3 pi r cubed, and its surface area is 4 pi r squared. . and think of the "interface" between what you know and what you don't know is that surface. Now you learn something, or a bunch of things. The sphere gets bigger. AND SO DOES THE SURFACE. So the more you know, the more you realize you DONT know, and the more fun you can have. I think I stole this from Freeman Dyson. PETE