Cross reference
Exodus 8:30
30 And Moses went out from Pharaoh, and entreated Jehovah.
Exodus 8:12
12 And Moses and Aaron went out from Pharaoh: and Moses cried unto Jehovah concerning the frogs which he had brought upon Pharaoh.
Exodus 9:33
33 And Moses went out of the city from Pharaoh, and spread abroad his hands unto Jehovah: and the thunders and hail ceased, and the rain was not poured upon the earth.
James 5:16
16 Confess therefore your sins one to another, and pray one for another, that ye may be healed. The supplication of a righteous man availeth much in its working.