In America the fertility rate of recent immigrants tends to be higher than that of native population.

The perfection of physical form and power is fashioned by the soul strengthfully temperate, masterful of the forces of the body. The fulness of mental life is developed only by the soul strengthfully resolute and patient, heroic in endurance.

He is quite smart enough. I sometimes fear that he is one of the little rare-ripe sort that are smarter at about five than ever after.

If there are infinite universes, of course there’d be infinite universes where Rick isn’t the smartest person around. But we’ve never seen Rick end up in a place where other people are appreciably smarter than him.