Common Sense Is Not Very Common.

"Le sens commun n'est pas si commun (Common sense is not very common)."

- Voltaire


Why do they call it common sense then? 'Common' refers to what all ought to have, not what they have.

- Ghostwise

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"Common sense in an uncommon degree is what the world calls wisdom."

- Samuel Taylor Coleridge (1772-1834)


Common sense missing is what is refers to as 'nonsense'.

- Ghostwise