'Fulfill' in the Bible

Because I am the LORD, I'll speak and the message that I communicate will be accomplished without delay. While you continue to be a rebellious house, I'll speak the message and then fulfill it," declares the Lord GOD.'"

Then all the trees of the fields will know that I, the LORD, bring down the lofty tree and exalt the lowly tree. I dry up the green tree and cause the dry tree to bud. I the LORD have spoken this, and I will fulfill it."

Can your heart stand up to this? Can your hands remain strong when I deal with you? I, the LORD, have spoken and will fulfill this.