“But there seems to have been an actual decline in rational thinking. The United States had become a place where entertainers and professional athletes were mistaken for people of importance. They were idolized and treated as leaders; their opinions were sought on everything and they took themselves just as seriously — after all, if an athlete is paid a million or more a year, he knows he is important … so his opinions of foreign affairs and domestic policies must be important, too, even though he proves himself to be both ignorant and subliterate every time he opens his mouth. (Most of his fans were just as ignorant and unlettered; the disease was spreading.)” ― Robert A. Heinlein, To Sail Beyond the Sunset
And a bonus quote, to be used the next time some idjit claims that space colonization is evil:
“But does Man have any ‘right’ to spread through the universe? Man is what he is, a wild animal with the will to survive, and (so far) the ability, against all competition. Unless one accepts that, anything one says about morals, war, politics, you name it, is nonsense. Correct morals arise from knowing what man is, not what do-gooders and well-meaning old Aunt Nellies would like him to be. The Universe will let us know – later – whether or not Man has any “right” to expand through it.”― Robert A. Heinlein, Starship Troopers