'Voice of the Lord' in the Bible

If you will not listen to the voice of the Lord, but rebel against the command of the Lord, then the hand of the Lord will be against you, as it was against your fathers.

Why then did you not obey the voice of the Lord, but rushed upon the spoil and did what was evil in the sight of the Lord?”

Then Saul said to Samuel, “I did obey the voice of the Lord, and went on the mission on which the Lord sent me, and have brought back Agag the king of Amalek, and have utterly destroyed the Amalekites.

Samuel said,“Has the Lord as much delight in burnt offerings and sacrificesAs in obeying the voice of the Lord?Behold, to obey is better than sacrifice,And to heed than the fat of rams.