Shemot 6:1-3

Orthodox Jewish Bible

6 Then Hashem said unto Moshe, Now shalt thou see what I will do to Pharaoh; for through a yad chazakah shall he let them go, and with a yad chazakah shall he drive them out of his land.

[VAEIRA]

² And Elohim spoke unto Moshe, and said unto him, I am Hashem;

³ And I appeared unto Avraham, unto Yitzchak, and unto Ya’akov, as El Shaddai, but by My Shem Hashem I did not make Myself known to them.