Proverbs 15:7
The lips of the wise disperse knowledge; But the heart of the foolish doeth not so.
Matthew 12:34
Ye offspring of vipers, how can ye, being evil, speak good things? for out of the abundance of the heart the mouth speaketh.
Psalm 37:30
The mouth of the righteous talketh of wisdom, And his tongue speaketh justice.
Psalm 45:2
Thou art fairer than the children of men; Grace is poured into thy lips: Therefore God hath blessed thee for ever.
Psalm 51:13-15
Then will I teach transgressors thy ways; And sinners shall be converted unto thee.
Psalm 71:15-18
My mouth shall tell of thy righteousness, And of thy salvation all the day; For I know not the numbers thereof .
Psalm 78:2-6
I will open my mouth in a parable; I will utter dark sayings of old,
Psalm 119:13
With my lips have I declared All the ordinances of thy mouth.
Proverbs 10:20-21
The tongue of the righteous is as choice silver: The heart of the wicked is little worth.
Ecclesiastes 12:9-10
And further, because the Preacher was wise, he still taught the people knowledge; yea, he pondered, and sought out, and'set in order many proverbs.
Song of Songs 4:11
Thy lips, O my bride, drop as the honeycomb: Honey and milk are under thy tongue; And the smell of thy garments is like the smell of Lebanon.
Matthew 10:27
What I tell you in the darkness, speak ye in the light; and what ye hear in the ear, proclaim upon the house-tops.
Matthew 28:18-20
And Jesus came to them and spake unto them, saying, All authority hath been given unto me in heaven and on earth.
Mark 16:15
And he said unto them, Go ye into all the world, and preach the gospel to the whole creation.
Acts 18:9-10
And the Lord said unto Paul in the night by a vision, Be not afraid, but speak and hold not thy peace:
Romans 10:14-17
How then shall they call on him in whom they have not believed? and how shall they believe in him whom they have not heard? and how shall they hear without a preacher?
Romans 15:18-21
For I will not dare to speak of any things save those which Christ wrought through me, for the obedience of the Gentiles, by word and deed,
Ephesians 4:29
Let no corrupt speech proceed out of your mouth, but such as is good for edifying as the need may be, that it may give grace to them that hear.
2 Timothy 2:2
And the things which thou hast heard from me among many witnesses, the same commit thou to faithful men, who shall be able to teach others also.
James 3:6
And the tongue is a fire: the world of iniquity among our members is the tongue, which defileth the whole body, and setteth on fire the wheel of nature, and is set on fire by hell.