vii. 9, God said to Moses, that when he should present himself as

the Divine legate, and Pharaoh should require a miracle, he should perform it accordingly.

In relation to the destruction of idolatry, the design of Jehovah is expressly announced (Ex. xii. 12), 'Against all the Gods of Egypt I will execute judgment: I am Jehovah.'

See also Ex. xviii. 11.