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Equal and exact justice to all men, of whatever state or persuasion, religious or political; peace, commerce, and honest friendship with all nations, entangling alliances with none; the support of the State governments in all their rights, as the most competent administrations for our domestic concerns, and the surest bulwarks against anti-republican tendencies; the preservation of the general government in its whole constitutional vigour, as the sheet anchor of our peace at home and safety abroad; ... freedom of religion; freedom of the press; freedom of person under the protection of the habeas corpus; and trial by juries impartially selected, these principles form the bright constellation which has gone before us, and guided our steps through an age of revolution and reformation. Thomas Jefferson		Tuesday Feb 10, 2026
		Quotes: 53419 Authors: 9969

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There are three principal means of acquiring knowledge... observation of nature, reflection, and experimentation. Observation collects facts; reflection combines them; experimentation verifies the result of that combination. Denis Diderot

Quote Author: Denis Diderot

Denis Diderot

Denis Diderot

Denis Diderot (October 5, 1713 - July 31, 1784) was a French philosopher and writer. He was a prominent figure in the Enlightenment, and editor-in-chief of the famous Encyclopédie .

Diderot also contributed to literature, notably with Jacques le fataliste et son maître (Jacques the Fatalist and His Master), which emulated Laurence Sterne in challenging conventions regarding novels, their structure and content, while also examining philosophical ideas about free will. Diderot is also known as the author of the essay, "Regrets on Parting with My Old Dressing Gown," upon which many an article and sermon about consumer desire has been based.

Other Denis Diderot Quotes

The best doctor is the one you run for and can't find.

Justice is the first virtue of those who command, And stops the complaints of those who obey.

Distance is a great promoter of admiration!

Oh! how near are genius and madness! Men imprison them and chain them, or raise statues to them.

There are three principal means of acquiring knowledge... observation of nature, reflection, and experimentation. Observation collects facts; reflection combines them; experimentation verifies the result of that combination.

We swallow greedily any lie that flatters us, but we sip only little by little at a truth we find bitter.

Genius is present in every age, but the men carrying it within them remain benumbed unless extraordinary events occur to heat up and melt the mass so that it flows forth.

There is no moral precept that does not have something inconvenient about it.

Our observation of nature must be diligent, our reflection profound, and our experiments exact. We rarely see these three means combined; and for this reason, creative geniuses are not common.