Read Job 6:24-27
"Teach me, and I will hold my tongue; cause me to understand wherein I have erred. How forceful are right words! But what does your arguing prove? Do you intend to reprove my words, and the speeches of a desperate one, which are as wind? Yes, you overwhelm the fatherless, and you undermine your friend."
In regions of South America there is a snake called the "two-step." If it bites you, you take two steps and die. Its venom swiftly paralyzes your nervous system, which stops your heart. But even if you don't visit South America, you're in peril of something else that is just as deadly. Words have the potential to kill relationships, paralyze love, poison minds, destroy faith, stain purity and deface reputations.
Job recognized the capability of words to destroy when he exclaimed to his friends, "How forceful are right words!" After bearing up under the onslaught of Eliphaz the Temanite (Job 4:1-5:27), he was brought to the point of frustration. Instead of helping, his well-meaning companion only served to undermine his friend with his words (v. 27).
It is no small matter when we open our mouths. When our words are right, they can be a powerful force for good. But when they are wrong, they work like a deadly venom. Instead of being helpful, they are destructive. Rather than building up our friends, our words can tear them down. Those who are weak and helpless (Job's reference to the "fatherless" refers to these kinds of people) can be blown away by what we say.
Be careful today how you speak to others. Consider your words before you say them. Especially in times of crisis, the right word can bring healing and encouragement, while the wrong word can destroy your relationship with another person. Be sensitive to God's Spirit. Seek His guidance before you express yourself. And ask God to set a guard over your mouth to keep you from saying the wrong thing (Ps. 141:3).
Words are like dynamite; don't let them blow up in your face.