Common sense is genius dressed in its working clothes.

Every high civilization decays by forgetting obvious things.

Common sense is the very antipodes of science.

Science is a first-rate piece of furniture for a man's upper chamber, if he has common sense on the ground floor.

Let thy speech be short, comprehending much in few words

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.

People all over the nation are starved for honesty and common sense.

Talk of mysteries! Think of our life in nature—daily to be shown matter, to come in contact with it—rocks, trees, wind on our cheeks! The solid earth! The actual world! The common sense! Contact! Contact! Who are we? Where are we?

A learned blockhead is a greater blockhead than an ignorant one.