A house is not a home unless it contains food and fire for the mind as well as the body.

In the beginning of the contest with Britain, when we were sensible of danger, we had daily prayers in this room for Divine protection," he stated. "Our prayers, Sir, were heard, and they were graciously answered. ... Do we imagine we no longer need His assistance?

Furnished as all Europe now is with Academies of Science, with nice instruments and the spirit of experiment, the progress of human knowledge will be rapid and discoveries made of which we have at present no conception. I begin to be almost sorry I was born so soon, since I cannot have the happiness of knowing what will be known a hundred years hence.

The used key is always bright.

Friends and neighbors complain that taxes are indeed very heavy, and if those laid on by the government were the only ones we had to pay, we might the more easily discharge them; but we have many others, and much more grievous to some of us. We are taxed twice as much by our idleness, three times as much by our pride, and four times as much by our folly.

Courteous Reader, Astrology is one of the most ancient Sciences, held in high esteem of old, by the Wise and the Great. Formerly, no Prince would make War or Peace, nor any General fight in Battle, in short, no important affair was undertaken without first consulting an Astrologer.

"We hold these truths to be sacred and undeniable" in a draft of the Declaration of Independence changes it instead into an assertion of rationality. The scientific mind of Franklin drew on the scientific determinism of Isaac Newton and the analytic empiricism of David Hume and Gottfried Leibniz. In what became known as "Hume's Fork" the latters' theory distinguished between synthetic truths that describe matters of fact, and analytic truths that are self-evident by virtue of reason and definition.