Quotes about stupidity

Very touching quotes.

-"Men are born ignorant, not stupid. They are made stupid by education."
Bertrand Russell

-"The stupid neither forgive nor forget; the naïve forgive and forget; the wise forgive but do not forget."
Thomas Szasz

-"It is dangerous to be sincere unless you are also stupid."
George Bernard Shaw

-"Only in Britain could it be thought a defect to be 'too clever by half.' The probability is that too many people are too stupid by three-quarters."
John Major

-"Only the wisest and stupidest of men never change."
Confucius

-"Only two things are infinite, the universe and human stupidity, and I'm not sure about the former."
Albert Einstein