The Four Cardinal Virtues: Prudence, Justice, Fortitude, Temperance (1965)
“Justice is the constant and perpetual will to render to every man his due.”
Original
Iustitia est constans et perpetua voluntas ius suum cuique tribuendi.
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Ulpian 4
Roman jurist 170–228Related quotes

“To every man posterity gives his due honour”
Suum cuique decus posteritas rependit
Book IV, 35; Church-Brodribb translation
Annals (117)

“To his dog, every man is Napoleon; hence the constant popularity of dogs.”
Readers Digest (1934)

Section I, p. 6
Natural Law; or The Science of Justice (1882), Chapter I. The Science of Justice.

“The very first essential for success is a perpetually constant and regular employment of violence.”

1960s, The Rising Tide of Racial Consciousnes (1960)
“Justice is a constant uprightness in words and in deeds.”
Four Discoveries of Praise to God, eds. C. Matthew McMahon and Therese B. McMahon (Puritan Publications, 2012), Ch. 2, p. 28

Source: Basic Verities, Prose and Poetry (1943), p. 51

An Apology for Idlers.
Virginibus Puerisque and Other Papers (1881)