Jos 1:5,9, Isa 7:14, Mt 1:23, Mt 28:20, Phil 1:6

God is with Jacob until he accomplishes everything he has promised. (Gen. 28:15)

Gen. 28:15 And, behold, I am with thee, and will keep thee in all places whither thou goest, and will bring thee again into this land; for I will not leave thee, until I have done that which I have spoken to thee of.

God promised Joshua that He would always be with him. (Joshua 1:5,9)

Joshua 1:5 here shall not any man be able to stand before thee all the days of thy life: as I was with Moses, so I will be with thee: I will not fail thee, nor forsake thee. 9 Have not I commanded thee? Be strong and of a good courage; be not afraid, neither be thou dismayed: for the Lord thy God is with thee whithersoever thou goest.

The Old Testament prophesied that the Son of God would come to this earth and be with us. (Isa 7:14)

Isa 7:14 Therefore the Lord himself shall give you a sign; Behold, a virgin shall conceive, and bear a son, and shall call his name Immanuel.

Jesus is the Christ, the Emmanuel, prophesied in the Old Testament. (Mt 1:23)

Mt 1:23 Behold, a virgin shall be with child, and shall bring forth a son, and they shall call his name Emmanuel, which being interpreted is, God with us.

Jesus commands world evangelization to all who believe in Himself as the Christ and is with them. (Mt 28:20)

Mt 28:20 Teaching them to observe all things whatsoever I have commanded you: and, lo, I am with you always, even unto the end of the world. Amen.

Jesus accomplishes world evangelization through us. (Phil 1:6)

Phil 1:6 eing confident of this very thing, that he which hath begun a good work in you will perform it until the day of Jesus Christ: