Вы искали: suum cuique tueri (Латинский - Английский)

suum cuique.
to each his own.

suum cuique tribuere
donner à chacun son

justitia est constans et perpetua voluntas jus suum cuique tribuens. jurisprudentia est divinarum atque humanarum rerum notitia, justi atque injusti scientia.
justice is the constant and perpetual desire to give to each one that to which he is entitled. jurisprudence is the knowledge of matters divine and human, and the comprehension of what is just and what is unjust.