Jeremiah 1:6-7

Then I said, “Ah, Lord GOD! Behold, I do not know how to speak, For I am [only] a young man.” [Ex 4:10; 6:12, 30; 1 Kin 3:7] But the LORD said to me, “Do not say, ‘I am [only] a young man,’ Because everywhere I send you, you shall go, And whatever I command you, you shall speak.