Date: 1699

"Those that were without a Law were a Law unto themselves, doing by nature the things contained in the Law, which shows the Law written in their hearts"

— Burnet, Thomas (c.1635-1715)

Date: 1720

"For as in the Body Politick, the Prince, (whom Seneca calls the Soul of the Commonwealth.) receiveth no Passages of State, or false Ones, where there is Negligence, or Disability in those subjectate Inquirers, (whom Xenophon terms the Eyes and Ears of Kings.) In like Manner the Soul of Man being...

— Hales, John (1584-1656)

Date: 1745

"They are plainly and explicitly published; easily understood; and in fair and legible characters writ in every man's heart; and the wisdom, reason, and necessity of them are readily discerned."

— Mason, John (1706-1763)

Date: 1773

"The great laws of morality are indeed written in our hearts, and may be discovered by reason: but our reason is of slow growth, very unequally dispensed to different persons, liable to error, and confined within very narrow limits in all."

— Mulso [later Chapone], Hester (1727-1801)

Date: January, 1833

"What they know has come by observation of themselves; they have found within them one highly delicate and sensitive specimen of human nature, on which the laws of emotion are written in large characters, such as can be read off without much study."

— Mill, John Stuart (1806–1873)