He is not only dull himself, but the cause of dulness in others.

He is not only dull himself, but the cause of dulness in others.

There is no sin except stupidity.

There is no sin except stupidity.

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

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

The difference between genius and stupidity is that genius has its limits.

The difference between genius and stupidity is that genius has its limits.

Artificial Intelligence is no match for natural stupidity.

Artificial Intelligence is no match for natural stupidity.

Artificial intelligence will never be a match for natural
stupidity.

Artificial intelligence will never be a match for natural
stupidity.

If you don't want a sarcastic answer, don't ask a stupid question.

If you don't want a sarcastic answer, don't ask a stupid question.

I am patient with stupidity but not with those who are proud of it.

I am patient with stupidity but not with those who are proud of it.

The fault rests with the gods, who have made her so stupid.
[Lat., La faute en est aux dieux, read more

The fault rests with the gods, who have made her so stupid.
[Lat., La faute en est aux dieux, qui la firent si bete.]