20 A man's stomach shall be satisfied from the fruit of his mouth, and from the produce of his lips he shall be filled.
21 Death and life are in the power of the tongue, and those who love it will eat its fruit.
ISAIAH 59:21 NKJ
21 "As for Me," says the Lord, "this is My covenant with them: My Spirit who is upon you, and My words which I have put in your mouth, shall not depart from your mouth, nor from the mouth of your descendants, nor from the mouth of your descendants' descendants," says the Lord, "from this time and forevermore."
23 "For assuredly, I say to you, whoever says to this mountain, `Be removed and be cast into the sea,' and does not doubt in his heart, but believes that those things he says will come to pass, he will have whatever he says.
Jesus said that you will have whatever you say -- dependent on believing and not doubting. Think of that. What you say determines what you get in life. It did for the children of Israel. And the Bible says the things which happened to them are lessons for us.
NUMBERS 14:28 NKJ
28 "Say to them, `As I live,' says the Lord, `just as you have spoken in My hearing, so I will do to you:
PROVERBS 6:2 NKJ
2 you are snared by the words of your own mouth; you are taken by the words of your mouth.
Words can get you in trouble. And words can deliver you (Revelation 12:11; Romans 10:10; Ephesians 6:17; see below). Words control your destiny.