1. After Moshe’s initial meetings with Pharaoh and Bnei Yisrael- Shemot 4:27-6:13, 6:29-7:

            So today I met Aaron and was so glad that he would be able to speak to the elders and perform the signs.  Ya, well, G-d said to me to perform the signs and have Aaron speak for me, but I guess I just was too nervous about my speech impediment that I didn’t even try to get up in front of these people and perform the signs.

            When we got to Pharaoh, though, I felt like I suddenly had a powerful voice and I actually spoke together with Aaron to demand that the Israelites be admitted passage to the desert for a few days.  Of course, Pharaoh said no, but he did something that surprised me and upset me.  Pharaoh made the work harder for the Israelites, so much so that the Israelites cursed Aaron and me.  I asked G-d why he would do this to me, to turn the people against me.

            G-d explained to me, though, that he would take the people out of Egypt with an outstretched arm and signs and stuff, and that he would give us the land he promised to our ancestors.  So I told this to the people, but they didn’t listen, so I got upset and told G-d that if the people would listen, then Pharaoh would surely not listen.  G-d commanded me and Aaron, especially me, to demand of Pharaoh to let the Israelites go, but, being so concerned that the people didn’t listen to me, I told Him the same excuse, that I couldn’t talk to Pharaoh because of my speech impediment, even though I did speak to Pharaoh previously.

            So, G-d told me that Aaron would be my speaker, Pharaoh’s heart would be hardened by G-d, Pharaoh would not listen to us, and so G-d would increase the signs and wonders and take the people out.  In the process, the Egyptians would know that G-d is the true G-d.