'It is I' in the Bible

Then God said, "I certainly will be with you. And this will be the sign for you that it is I who sent you: When you have brought the people out of Egypt, all of you will serve God on this mountain."

Then I will take you for My people, and I will be your God; and you shall know that I am the Lord your God, who redeemed you and brought you out from under the burdens of the Egyptians.

" 'If a man borrows from his neighbor and it is injured or dies [while] its owner is not with it, he will make restitution.

And thou, speak thou unto the children of Israel, saying, Surely my sabbaths shall ye keep; for this is a sign between me and you throughout your generations, that ye may know that it is I, Jehovah, who do hallow you.

and Aaron saith, 'Let not the anger of my lord burn; thou -- thou hast known the people that it is in evil;