Trust in God but lock your doors.

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.

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?

Much reading is an oppression of the mind, and extinguishes the natural candle, which is the reason of so many senseless scholars in the world.

Let thy speech be short, comprehending much in few words

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

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.

To be a philosopher is not merely to have subtle thoughts, nor even to found a school, but so to love wisdom as to live accordingly to its dictates, a life of simplicity, independence, magnanimity, and trust.

Self-distrust is the cause of most of our failures. In the assurance of strength, there is strength, and they are the weakest, however strong, who have no faith in themselves or their own powers.

Never was a government that was not composed of liars, malefactors and thieves.

No, I don’t understand my husbands theory of relativity, but I know my husband and I know he can be trusted.

He who does not trust enough, will not be trusted.

All I have seen teaches me to trust the Creator for all I have now seen.