Exodus 4:8-9

8“If they will not believe you,” God said, “or listen to the first sign, they may believe the latter sign. 9If they will not believe even these two signs or listen to your voice, you shall take some water from the Nile and pour it on the dry ground, and the water that you shall take from the Nile awill become blood on the dry ground.”

Exodus 4:15-16

15 bYou shall speak to him and cput the words in his mouth, and dI will be with your mouth and with his mouth and will teach you both what to do. 16 eHe shall speak for you to the people, and he shall be your mouth, and fyou shall be as God to him.

Jonah 3:2

2Arise, go to gNineveh, that great city, and call out against it the message that I tell you.”

Matthew 21:29

29And he answered, ‘I will not,’ but afterward he hchanged his mind and went.
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