2 Samuel 18:22-23

18:22 Ahimaaz the son of Zadok again spoke to Joab, “Whatever happens, let me go after the Cushite.” But Joab said, “Why is it that you want to go, my son? You have no good news that will bring you a reward.” 18:23 But he said, “Whatever happens, I want to go!” So Joab said to him, “Then go!” So Ahimaaz ran by the way of the Jordan plain, and he passed the Cushite.

Luke 11:8

11:8 I tell you, even though the man inside will not get up and give him anything because he is his friend, yet because of the first man’s sheer persistence he will get up and give him whatever he needs.

Romans 10:2

10:2 For I can testify that they are zealous for God, but their zeal is not in line with the truth.