Speaking the truth in Love:
The word “speak” is used 226 times in the New Testament alone and 672 times total. There was no lack of speaking in the Word.
Ephesians 4:15
But speaking the truth in love, may grow up into him in all things, which is the head, even Christ:
Speak – Involves Action.
Truth – God's Word is the only truth worth telling.
Love – People have to know that you care and you do it out of love.
The Spoken Word Heals!
Matthew 8:5-8, 13
And when Jesus was entered into Capernaum, there came unto him a centurion, beseeching him, And saying, Lord, my servant lieth at home sick of the palsy, grievously tormented. And Jesus saith unto him, I will come and heal him. The centurion answered and said, Lord, I am not worthy that thou shouldest come under my roof: but speak the word only, and my servant shall be healed
13 And Jesus said unto the centurion, Go thy way; and as thou hast believed, so be it done unto thee. And his servant was healed in the selfsame hour.
John 6:63
It is the spirit that quickeneth; the flesh profiteth nothing: the words that I speak unto you, they are spirit, and they are life.
This section in Acts illustrates the boldness we can have when we speak, and the impact that your words Absolutely WILL have as God backs you up!
Acts 4:19-21
But Peter and John answered and said unto them, Whether it be right in the sight of God to hearken unto you more than unto God, judge ye. For we cannot but speak the things which we have seen and heard. So when they had further threatened them, they let them go, finding nothing how they might punish them, because of the people: for all men glorified God for that which was done. [a mighty healing by Jesus Christ]
And on the same note ...when speaking to people...
James 1:19
Wherefore, my beloved brethren, let every man be swift to hear, slow to speak, slow to wrath: