The tongue is the center of sin in the body. In James 3:6 it is described as a “flame of fire,” capable of causing much wickedness. How important it is, therefore, that the tongue be used for the purposes of God!
In Numbers 22 we see an astounding miracle of speech rendered by God. Balaam’s donkey obviously could not speak, but it was given words to rebuke Balaam in his madness (v. 28). If God could open the mouth of a donkey, how much more can He open our mouths for His glory! Further along in the story, Balaam, being unable to curse Israel with his mouth, could only speak a blessing over the nation.
In the story of Elizabeth and Zechariah, God struck Zechariah dumb for nine months because he had used his tongue to voice unbelief. Then God healed him supernaturally and filled his mouth with a blessing for Israel (Luke 1:67). Zechariah absolutely overflowed with praise to the God of Israel who was showing them mercy, rescuing them from their enemies, and granting them salvation.
Before we met Christ, we used our mouths to curse, defile, and destroy others. Now that Christ lives in us, we can yield our speech to the Holy Spirit so we may instruct, correct, and encourage others. Offer your tongue to God as “the pen of a skillful poet” (Psalm 45:1). He will fill your mouth with praise and prophecy that will bring glory to God and bind the powers of darkness.