'Perform' in the Bible

For I the Lord will speak, and whatever word I speak will be performed. It will no longer be delayed, for in your days, O rebellious house, I will speak the word and perform it,” declares the Lord God.’”

All the trees of the field will know that I am the Lord; I bring down the high tree, exalt the low tree, dry up the green tree and make the dry tree flourish. I am the Lord; I have spoken, and I will perform it.”