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.

That's the penalty we have to pay for our acts of foolishness -- someone else always suffers for them.

That's the penalty we have to pay for our acts of foolishness -- someone else always suffers for them.

Lord, what fools these mortals be.

Lord, what fools these mortals be.

A fool sees not the same tree that a wise man sees.

A fool sees not the same tree that a wise man sees.

It is impossible to make anything fool- proof because fools are so ingenious.

It is impossible to make anything fool- proof because fools are so ingenious.

The haste of a fool is the slowest thing in the world.

The haste of a fool is the slowest thing in the world.

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.

What a fool does in the end, the wise do in the beginning.

What a fool does in the end, the wise do in the beginning.

Don't approach a goat from the front, a horse from the back, or a fool from any side.

Don't approach a goat from the front, a horse from the back, or a fool from any side.