Those who in vain observe vanities, abandon their own mercy
Other versions
King James Version
But I will sacrifice unto thee with the voice of thanksgiving; I will pay that that I have vowed. Salvation is of the LORD.English Standard Version
But I with the voice of thanksgiving will sacrifice to you; what I have vowed I will pay. Salvation belongs to the LORD!"New International Version
But I, with a song of thanksgiving, will sacrifice to you. What I have vowed I will make good. Salvation comes from the LORD."