There is nothing so stupid as the educated man if you get him off the thing he was educated in. Will Rogers
If one were to bring ten of the wisest men in the world together and ask them what was the most stupid thing in existence, they would not be able to discover anything so stupid as astrology. David Hilbert
No man who knows aught, can be so stupid to deny that all men naturally were born free. John Milton
It is so stupid of modern civilization to have given up believing in the devil, when he is the only explanation of it. Ronald Knox
There are some people so stupid you have to show them everything. I didn't realize that there are people so stupid you can't show them anything. Murray Leinster
Fear is the foundation of most governments; but it is so sordid and brutal a passion, and renders men in whose breasts it predominates so stupid and miserable, that Americans will not be likely to approve of any political institution which is founded on it. John Adams