3:1-7 The holy God hates sin most in those nearest to him. A sinful state is, and will be, a woful state. Yet they had the tokens of God's presence, and all the advantages of knowing his will, with the strongest reasons to do it; still they persisted in disobedience. Alas, that men often are more active in doing wickedness than believers are in doing good.
5-7. The Jews regard not God's justice manifested in the midst of them, nor His judgments on the guilty nations around.
The just Lord—Why then are ye so unjust?
is in the midst thereof—He retorts on them their own boast, "Is not the Lord among us" (Mic 3:11)? True He is, but it is for another end from what ye think [Calvin]; namely, to lead you by the example of His righteousness to be righteous. Le 19:2, "Ye shall be holy: for I the Lord your God am holy" [Maurer]. But Calvin, "That ye may feel His hand to be the nearer for taking vengeance for your crimes: 'He will not do iniquity' by suffering your sins to go unpunished" (De 32:4).
every morning—literally, "morning by morning." The time in the sultry East for dispensing justice.
bring … to light—publicly and manifestly by the teaching of His prophets, which aggravates their guilt; also by samples of His judgments on the guilty.
he faileth not—He is continually setting before you samples of His justice, sparing no pains. Compare Isa 5:4; 50:4, "he wakeneth morning by morning."
knoweth no shame—The unjust Jews are not shamed by His justice into repentance.