Exodus Chapter 7, Verse 3

3: And I will harden Pharaoh's heart, and multiply my signs and my wonders in the land of Egypt.- edit KJV text
3: But I shall harden his heart, and shall multiply my signs and wonders in the land of Egypt.— edit Douay text
3: And I will harden the heart of Pharao, and I will multiply my signs and wonders in the land of Egypt.— edit LXX text