It is better to remain silent and be thought a fool than to open one's mouth and remove all doubt.

It is better to remain silent and be thought a fool than to open one's mouth and remove all doubt.

Take all the fools out of this world and there wouldn't be any fun living in it, or profit.

Take all the fools out of this world and there wouldn't be any fun living in it, or profit.

The heart of a fool is in his mouth, but the mouth of a wise man is in his heart.

The heart of a fool is in his mouth, but the mouth of a wise man is in his heart.

Wise people talk because they have something to say; fools, because they have to say something.

Wise people talk because they have something to say; fools, because they have to say something.

They never open their mouths without subtracting from the sum of human knowledge.

They never open their mouths without subtracting from the sum of human knowledge.

Colleges don't make fools, they only develop them.

Colleges don't make fools, they only develop them.

Better to remain silent and be thought a fool then to speak out and remove all doubt.

Better to remain silent and be thought a fool then to speak out and remove all doubt.

He who lives without folly isn't so wise as he thinks.

He who lives without folly isn't so wise as he thinks.

Fools build houses, and wise men buy them.

Fools build houses, and wise men buy them.