'Speak the Word' in the Bible

“Take counsel together [against Judah], but it will come to nothing;Speak the word, but it will not stand,For God is with us (Immanuel).”

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

I will cut off the [war] chariot from EphraimAnd the [war] horse from Jerusalem,And the bow of war will be cut off.And He will speak [words of] peace to the nations,And His dominion shall be from sea to sea [absolutely endless],And from the River [Euphrates] to the ends of the earth.

But the centurion replied to Him, “Lord, I am not worthy to have You come under my roof, but only say the word, and my servant will be healed.

And when they had prayed, the place where they were meeting together was shaken [a sign of God’s presence]; and they were all filled with the Holy Spirit and began to speak the word of God with boldness and courage.