Zechariah 7:10

7:10 You must not oppress the widow, the orphan, the foreigner, or the poor, nor should anyone secretly plot evil against his fellow human being.’

Zechariah 8:16

8:16 These are the things you must do: Speak the truth, each of you, to one another. Practice true and righteous judgment in your courts. ¹ 

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¹ sn For a similar reference to true and righteous judgment see Mic 6:8.