Extreme justice is extreme injustice.
In Latin, Summum jus, summa injuria. Full attribution: Cicero, De Officiis (44 BC), I. 10. Also in De Republica. V, Chapter III. Same idea in Aristotle—Ethics. V. 14. Terence—Heauton timorumenos, Act IV, scene 5. 48. Columella—De Re Rustica, Book I, Chapter VII. (Ed. Bipont, 1787.) Racine—La Thébaide, Act IV, scene 3. Les Frères Ennemis, IV. 3.
Have I conceived all this people? have I begotten them, that thou shouldest say unto me, Carry them in thy bosom, as a nursing father beareth the sucking child, unto the land which thou swarest unto their fathers?Numbers 11:12 KJV