'I Am with You' in the Bible

Then spoke Haggai the LORD'S messenger in the LORD'S message unto the people, saying, I am with you, says the LORD.

Yet now be strong, O Zerubbabel, says the LORD; and be strong, O Joshua, son of Jehozadak, the high priest; and be strong, all you people of the land, says the LORD, and work: for I am with you, says the LORD of hosts: