There is, he'd said, an inverse correlation between the amount of power a person has and the level at which his or her mind functions. A person of ordinary intelligence who acquires power, of whatever kind, tends to develop an exaggerated view of his own capabilities. Sycophants gather. There is little or no criticism of decisions. As his ability to disrupt the lives of others advances, these tendencies become stronger. Eventually you end with Louis the Fourteenth, who thinks he's done a good job for France, although the country he left behind was ruined.