The most powerful words – "I am with you."<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

 
And the LORD appeared to [Isaac] … and said, "I am the God of your father Abraham; do not fear, for I am with you. I will bless you and multiply your descendants for My servant Abraham's sake." (Genesis 26:24)
 
And behold, the LORD stood above [Jacob] and said: "I am the LORD God of Abraham your father and the God of Isaac; the land on which you lie I will give to you and your descendants. …Behold, I am with you and will keep you wherever you go, and will bring you back to this land; for I will not leave you until I have done what I have spoken to you." (Genesis 28:13, 15)
 
Then Joseph's master took him and put him into the prison, a place where the king's prisoners were confined. And he was there in the prison. But the LORD was with Joseph and showed him mercy, and He gave him favor in the sight of the keeper of the prison. (Genesis 39:20-21)
 
He said [to Moses], "I will certainly be with you. And this shall be a sign to you that I have sent you: When you have brought the people out of <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />Egypt, you shall serve God on this mountain." (Exodus 3:12)
 
And the LORD said to Joshua, "This day I will begin to exalt you in the sight of all Israel, that they may know that, as I was with Moses, so I will be with you. (Joshua 3:7)
 
And the Angel of the LORD appeared to [Gideon], and said to him, "The LORD is with you, you mighty man of valor!" (Judges 6:12)
 
Then it shall be, [Solomon,] if you heed all that I command you, walk in My ways, and do what is right in My sight, to keep My statutes and My commandments, as My servant David did, then I will be with you and build for you an enduring house, as I built for David, and will give Israel to you. (1 Kings 11:38)
 
You will not need to fight in this battle. Position yourselves, stand still and see the salvation of the LORD, who is with you, O Judah and Jerusalem!'" (2 Chronicles 20:17)
 
Therefore the Lord Himself will give you a sign: Behold, the virgin shall conceive and bear a Son, and shall call His name Immanuel. (Isaiah 7:14)
 
And having come in, the angel said to [Mary], "Rejoice, highly favored one, the Lord is with you; blessed are you among women!" (Luke 1:28) 
 
"Behold, the virgin shall be with child, and bear a Son, and they shall call His name Immanuel," which is translated, "God with us." (Matthew 1:23)
 
"[Be] teaching them to observe all things that I have commanded you; and lo, I am with you always, even to the end of the age." Amen. (Matthew 28:20) 
 
Then He said to them, "These are the words which I spoke to you while I was still with you, that all things must be fulfilled which were written in the Law of Moses and the Prophets and the Psalms concerning Me." (Luke 24:44)
 
Then Jesus said to them, "I shall be with you a little while longer, and then I go to Him who sent Me." (John 7:33)
 
"And I will pray the Father, and He will give you another Helper, that He may abide with you forever- the Spirit of truth, whom the world cannot receive, because it neither sees Him nor knows Him; but you know Him, for He dwells with you and will be in you." (John 14:16-17)
 
"Peace I leave with you, My peace I give to you; not as the world gives do I give to you. Let not your heart be troubled, neither let it be afraid." (John 14:27)
 
And I heard a loud voice from heaven saying, "Behold, the tabernacle of God is with men, and He will dwell with them, and they shall be His people. God Himself will be with them and be their God." (Revelation. 21:3)