King James Version
Thus shall mine anger be accomplished, and I will cause my fury to rest upon them, and I will be comforted: and they shall know that I the LORD have spoken it in my zeal, when I have accomplished my fury in them.English Standard Version
"Thus shall my anger spend itself, and I will vent my fury upon them and satisfy myself. And they shall know that I am the LORD--that I have spoken in my jealousy--when I spend my fury upon them.New International Version
"Then my anger will cease and my wrath against them will subside, and I will be avenged. And when I have spent my wrath upon them, they will know that I the LORD have spoken in my zeal.