'Tongue' in the Bible
He took him aside from the multitude, privately, and put his fingers into his ears, and he spat, and touched his tongue.
Immediately his ears were opened, and the impediment of his tongue was released, and he spoke clearly.
His mouth was opened immediately, and his tongue freed, and he spoke, blessing God.
He cried and said, 'Father Abraham, have mercy on me, and send Lazarus, that he may dip the tip of his finger in water, and cool my tongue! For I am in anguish in this flame.'
Therefore my heart was glad, and my tongue rejoiced. Moreover my flesh also will dwell in hope;
For it is written, "'As I live,' says the Lord, 'to me every knee will bow. Every tongue will confess to God.'"
So also you, unless you uttered by the tongue words easy to understand, how would it be known what is spoken? For you would be speaking into the air.
and that every tongue should confess that Jesus Christ is Lord, to the glory of God the Father.
If anyone among you thinks himself to be religious while he doesn't bridle his tongue, but deceives his heart, this man's religion is worthless.
So the tongue is also a little member, and boasts great things. See how a small fire can spread to a large forest!
And the tongue is a fire. The world of iniquity among our members is the tongue, which defiles the whole body, and sets on fire the course of nature, and is set on fire by Gehenna.
But nobody can tame the tongue. It is a restless evil, full of deadly poison.
For, "He who would love life, and see good days, let him keep his tongue from evil, and his lips from speaking deceit.
My little children, let's not love in word only, neither with the tongue only, but in deed and truth.