We know for a fact that genetics has a large influence on intelligence. We know for a fact that genetics has a large influence on personality. . We know for

We know for a fact that genetics has a large influence on intelligence. We know for a fact that genetics has a large influence on personality. . We know for a fact that (at scale*) intelligence is the single largest influence on success. IIRC, we're pretty sure that (at scale*) personality is the second largest influence on success. I.e., if you measure all the possible things that might influence success and run a principal component analysis, intelligence is the first component and personality the second. * Nepotism and such exist, but extreme cases are actually not that common. . It should not be controversial to acknowledge both part A and part B at the same time.