"Then if they don't believe you and respond to the first sign, they may respond to the second sign.

But if they don't believe even these two signs, and won't listen to you, then take some water out of the Nile River and pour it on the dry ground. The water you took from the Nile River will turn into blood on the dry ground."

Suddenly, the glory of the LORD appeared at the Tent of Meeting to all of the Israelis. "How long will this people keep on spurning me and refusing to trust me, despite all the miracles that I've done among them?" the LORD asked Moses.

none of those men who saw my glory and watched my miracles that I did in Egypt and in the wilderness even though they've tested me these ten times and never listened to my voice

Although he had performed numerous signs in their presence, they did not believe in him,