A tool is but the extension of a man's hand, and a machine is but a complex tool. And he that invents a machine augments the power of a man and the well-being of mankind.

The way to avoid evil is not by maiming our passions, but by compelling them to yield their vigor to our moral nature.

The fear of doing right is the grand treason in times of danger.

He that would look with contempt on the pursuits of the farmer, is not worthy the name of a man.

Do not give, as many rich men do, like a hen that lays her eggs ...and then cackles.

There is nothing that is so wonderfully created as the human soul. There is something of God in it. We are infinite in the future, though we are finite in the past.

Nature holds an immense uncollected debt over every man's head.