'It is I' in the Bible

It is in the power of my hand to hurt you, but the God of your father spoke to me last night, saying, 'Take heed to yourself that you do not speak to Jacob either good or bad.'

Judah said to his brothers, "What profit is it if we kill our brother and conceal his blood?

He said to his brothers, "My money is restored. Behold, it is in my sack." Their hearts failed them, and they turned trembling one to another, saying, "What is this that God has done to us?"