I have heard a variety of teachings over the years about the power of what we say, the things that come out of our mouths. What comes out of our mouths is important.
Matthew 15:10-11, 15-20
10 Jesus called the crowd to him and said, “Listen and understand. 11 What goes into someone’s mouth does not defile them, but what comes out of their mouth, that is what defiles them.”
15 Peter said, “Explain the parable to us.”
16 “Are you still so dull?” Jesus asked them. 17 “Don’t you see that whatever enters the mouth goes into the stomach and then out of the body? 18 But the things that come out of a person’s mouth come from the heart, and these defile them. 19 For out of the heart come evil thoughts—murder, adultery, sexual immorality, theft, false testimony, slander. 20 These are what defile a person; but eating with unwashed hands does not defile them.”
35 A good man brings good things out of the good stored up in him, and an evil man brings evil things out of the evil stored up in him. 36 But I tell you that everyone will have to give account on the day of judgment for every empty word they have spoken. 37 For by your words you will be acquitted, and by your words you will be condemned.”
I think the scriptures above make it clear that our words are important. But sometimes people look at these scriptures and see a type of law rather than a living word. Those people can become very legalistic regarding their words. What we forget is that we are under authority. God can choose to disregard any of our words and confessions. He can even choose to take our guilt upon himself.
3 “When a young woman still living in her father’s household makes a vow to the LORD or obligates herself by a pledge 4 and her father hears about her vow or pledge but says nothing to her, then all her vows and every pledge by which she obligated herself will stand. 5 But if her father forbids her when he hears about it, none of her vows or the pledges by which she obligated herself will stand; the LORD will release her because her father has forbidden her.
6 “If she marries after she makes a vow or after her lips utter a rash promise by which she obligates herself 7 and her husband hears about it but says nothing to her, then her vows or the pledges by which she obligated herself will stand. 8 But if her husband forbids her when he hears about it, he nullifies the vow that obligates her or the rash promise by which she obligates herself, and the LORD will release her.
10 “If a woman living with her husband makes a vow or obligates herself by a pledge under oath 11 and her husband hears about it but says nothing to her and does not forbid her, then all her vows or the pledges by which she obligated herself will stand. 12 But if her husband nullifies them when he hears about them, then none of the vows or pledges that came from her lips will stand. Her husband has nullified them, and the LORD will release her. 13 Her husband may confirm or nullify any vow she makes or any sworn pledge to deny herself. 14 But if her husband says nothing to her about it from day to day, then he confirms all her vows or the pledges binding on her. He confirms them by saying nothing to her when he hears about them. 15 If, however, he nullifies them some time after he hears about them, then he must bear the consequences of her wrongdoing.”
Guard your heart and your words, but don't become afraid of saying the "wrong" thing. Our Father in Heaven can confirm or nullify our words. Jesus can confirm or nullify our words. He can even choose to be responsible for our guilt. And that price has already been paid. That's finished. So be careful, but also be at peace.
"Our maker is our husband, our redeemer is our friend." - lyrics from a song.