Obedience to God: Includes: Obeying his Voice
Source: TTT
Exodus 19:5
Now if you will indeed obey My voice and keep My covenant, you will be My treasured possession out of all the nations—for the whole earth is Mine.
Jeremiah 7:23
but this is what I commanded them: Obey Me, and I will be your God, and you will be My people. You must walk in all the ways I have commanded you, so that it may go well with you.