-> ''"Two things are infinite: the universe and human stupidity; and I'm not sure about the universe."''
--> --'''AlbertEinstein'''

->''"The two most common elements in the universe are Hydrogen and stupidity."''
-->-- '''HarlanEllison'''

-> ''"Just think of how stupid the average person is, and then realize half of them are even stupider!"''
--> -- '''GeorgeCarlin'''

-> ''"Stupidity is [[HumansAreTheRealMonsters evil]] waiting to happen."''
--> -- '''Clay Bond'''

-> ''"I'd all but given up my crusade to rid the world of fools... There are, I found, just too many!"''
--> -- '''{{Foolkiller}}''', '''''[[{{Spiderman}} The Amazing Spider-Man]]''''', #225

->''"Subway is a cosmic nexus of stupidity."''
--> -- A thread title at the Customers Suck forums.

->''Pray that there's intelligent life somewhere up in space, 'cause there's [[NoIntelligentLifeHere bugger all down here on Earth]].''
--> --'''''Film/MontyPythonsTheMeaningOfLife''''', "The Galaxy Song"

->''"The only reason laws like those banning smoking on campuses, requiring you to wear seatbelts, and texting while driving is because you guys have proven yourselves too stupid or irresponsible to do it without having to be told."''
--> -- A professor from New Hampshire at Colorado State University on the subject of such laws.

->'''Alien 1:''' So this is he--[[RonaldReagan The Reagan]]? [[PunyEarthlings A puny specimen]], even for a human. Just like [[HumansAreTheRealMonsters the defilers]] to worship such a one! Do you suppose [[HumansAreUgly ugliness is a virtue to them]]?
->'''Alien 2:''' [[HumansAreMorons Or stupidity]]? Have you ever seen eyes so vacant?
--> -- Aliens commenting on RonaldReagan, ''StrontiumDog''

-> ''"People ask me, 'Kent, do you think that there's intelligent life on other planets?' I reply, [[NoIntelligentLifeHere 'No, I don't even think there's intelligent life on this planet.']]"''
-->-- '''[[HypocriticalHumor Kent Hovind]]'''

->''"Sometimes I think that the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us."''
-->-- '''Calvin''', ''CalvinAndHobbes''

->''"Because all you of Earth are '''idiots!'''"''
-->-- '''Eros''', ''Film/Plan9FromOuterSpace''

->''"Common sense is a sense which is not common to people."''
-->-- Website/YouTube comment

->'''Council Woman''': Are they intelligent?
-> '''Peakley''': No, but very delicate......We are talking about ''extremely simple creatures'' here, Miss. Landing there would cause mass mayhem and planet-wide panic!
-->--''Disney/LiloAndStitch''

->''"Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so."''
--> --'''DouglasAdams'''

->''"You watched as their civilization was overwhelmed with violence, disease, famine, and Dire Chinchillas. Reflecting on these events led you to an epiphany: people are dumb."''
--> --'''VideoGame/TheSimsMedieval''' opening cinematic

->''"It is said: to err is human. Hehehe...stupid human."''
-->--'''Pandarian''', ''WorldOfWarcraft: Mists Of Pandaria''
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