Deuteronomy 6:13

“You shall not take the name of Yahweh your God in vain, for Yahweh will not leave him unpunished who takes His name in vain.

“But you shall serve Yahweh your God, and He will bless your bread and your water; and I will remove sickness from your midst.

‘You shall not take the name of Yahweh your God in vain, for Yahweh will not leave him unpunished who takes His name in vain.

“Yahweh your God you shall fear; Him you shall serve, and to Him you shall cling, and by His name you shall swear.

so that you will not go along with these nations, these which remain among you, and you will not mention the name of their gods, and you will not make anyone swear by them, and you will not serve them, and you will not bow down to them.

Then Samuel spoke to all the house of Israel, saying, “If you are to return to Yahweh with all your heart, then remove the foreign gods and the Ashtaroth from among you and set your hearts toward Yahweh and serve Him alone; and He will deliver you from the hand of the Philistines.”

Yet David swore again, saying, “Your father knows well that I have found favor in your sight, and he has said, ‘Do not let Jonathan know this, lest he be grieved.’ But truly as Yahweh lives and as your soul lives, there is hardly a step between me and death.”

“But Yahweh, who brought you up from the land of Egypt with great power and with an outstretched arm, Him you shall fear, and to Him you shall worship, and to Him you shall sacrifice.

But the king will be glad in God; Everyone who swears by Him will boast, For the mouths of those who speak lies will be closed.

“I have sworn by Myself, The word has gone forth from My mouth in righteousness And will not turn back, That to Me every knee will bow, every tongue will swear allegiance.

“Hear this, O house of Jacob, who are called by the name Israel And who came forth from the loins of Judah, Who swear by the name of Yahweh And bring to remembrance the God of Israel, But not in truth or in righteousness.

Then Jesus *said to him, “Go, Satan! For it is written, ‘You shall worship the Lord your God, and serve Him only.’”

And Jesus answered and said to him, “It is written, ‘You shall worship the Lord your God and serve Him only.’”