IQ is just the raw horsepower you're born with. IQ and rationality/common sense are not the same thing. Many high IQ people are completely detached from reality.,(reply>), @Peter Lund It’s an issue of honesty and looking at reality. Read Ayn Rand.,(reply>), I am fascinated by intelligent people who are irrational and dumb people who are rational. It’s a really understudied area.