malachi 3:7 Even from the days of your fathers ye are gone away from mine ordinances, and have not kept them. Return unto me, and I will return unto you, saith the LORD of hosts. But ye said, Wherein shall we return? - Free Bible Online

      7-12. Reproof for the non-payment of tithes and offerings, which is the cause of their national calamities, and promise of prosperity on their paying them.
      from . . . days of your fathers--Ye live as your fathers did when they brought on themselves the Babylonian captivity, and ye wish to follow in their steps. This shows that nothing but God's unchanging long-suffering had prevented their being long ago "consumed" (Mal 3:6).
      Return unto me--in penitence.
      I will return unto you--in blessings.
      Wherein, &c.-- (Mal 3:16). The same insensibility to their guilt continues: they speak in the tone of injured innocence, as if God calumniated them.

JFB.