Common sense is the knack of seeing things as they are,
and doing things as they ought to be done.
- Josh Billings

Success is more a function of consistent common sense than it is of genius.
- An Wang

Common sense in an uncommon degree
is what the world calls wisdom.
- Samuel Taylor Coleridge

Believe nothing, no matter where you read it,
or who said it, no matter if I have said it,
unless it agrees with your own reason
and your own common sense.
- The Buddha

A sense of humor is just common sense, dancing.
- William James

I reject any religious doctrine that does not appeal
to reason and is in conflict with morality.
- Mohandas (Mahatma) Gandhi

Pause. Take the time to THINK before you act.

Further reading: Take Nothing On Authority

Trust Reason

Consciousness

See, Really See