Exodus 6:12

But Moses said to the LORD, “If the Israelites will not listen to me, why would Pharaoh listen to me, since I speak with faltering lips?”

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Exodus 6:12 NLT
Exodus 6:12 KJV
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Not only so, but we also glory in our sufferings, because we know that suffering produces perseverance; ~ Romans 5:3
For by the grace given me I say to every one of you: Do not think of yourself more highly than you ought, but rather think of yourself with sober judgment, in accordance with the faith God has distributed to each of you. ~ Romans 12:3