The surest route to breeding jealousy is to compare. Since jealousy comes from feeling less than another, comparisons only fan the fires. – Dorothy Corkville Briggs

It is remarkable that jealousy of individual property in land often goes along with very exaggerated doctrines of tribal or national property in land. – William Graham Sumner

I would rather drudge out my life on a cotton plantation, till the grave opened to give me rest, than to live with an unprincipled master and a jealous mistress. – Harriet Ann Jacobs

The jealous are troublesome to others, but a torment to themselves. – William Penn, Some Fruits of Solitude, 1693