Yehezkiel 3:10

3:10 And he said to me, “Son of man, take all my words that I speak to you to heart and listen carefully.

Yehezkiel 6:10

6:10 They will know that I am the Lord; my threats to bring this catastrophe on them were not empty.’ ¹ 

[6:10]  ¹ tn Heb “not in vain did I speak to do to them this catastrophe.” The wording of the last half of v. 10 parallels God’s declaration after the sin of the golden calf (Exod 32:14).