Authors:

No man is greatly jealous who is not in some measure guilty.

Benjamin Whichcote (1753). “Moral and religious aphorisms collected from the manuscript papers of the reverend and learned Doctor Whichcote; and published in 1703, by Dr. Jeffery. Now re-published, with very large additions, ... by Samuel Salter, ... To which are added, Eight letter”, p.83
No man is greatly jealous who is not in some measure guilty.