'Obey' in the Bible

And he said to them, "Where [is] your faith?" But they were afraid [and] were astonished, saying to one another, "Who then is this, that he commands even the winds and the water and they obey him?"

So the Lord said, "If you have faith like a mustard seed, you could say to this mulberry tree, 'Be uprooted and planted in the sea,' and it would obey you.