'Obedience' in the Bible

Right when Jeroboam was standing by the altar to burn some incense, a man of God arrived in Bethel from Judah in obedience to a command from the LORD.

As the time for the evening offering arrived, Elijah the prophet approached and said, "LORD God of Abraham, Isaac, and Israel, let it be known today that you are God in Israel and that I, your servant, have done all of this in obedience to your word.