Deuteronomy 4:23

⁹Only be careful, and keep your soul diligently, lest you forget the things which your eyes saw, and lest they depart from your heart all the days of your life; but make them known to your children and your children’s children—

²⁰For when I have brought them into the land which I swore to their fathers, flowing with milk and honey, and they have eaten and filled themselves, and grown fat, then they will turn to other gods, and serve them, and despise me, and break my covenant.

⁴Jesus answered them, “Be careful that no one leads you astray.

⁵The earth also is polluted under its inhabitants, because they have transgressed the laws, violated the statutes, and broken the everlasting covenant.

¹⁵Remember his covenant forever, the word which he commanded to a thousand generations,

⁵⁹“‘For the Lord GOD says: “I will also deal with you as you have done, who have despised the oath in breaking the covenant.

¹⁶when you disobey the covenant of the LORD your God, which he commanded you, and go and serve other gods, and bow down yourselves to them. Then the LORD’s anger will be kindled against you, and you will perish quickly from off the good land which he has given to you.”

¹²Beware, brothers, lest perhaps there might be in any one of you an evil heart of unbelief, in falling away from the living God;

²⁵Then men will say, “Because they abandoned the covenant of the LORD, the God of their fathers, which he made with them when he brought them out of the land of Egypt,

⁸He said, “Watch out that you don’t get led astray, for many will come in my name, saying, ‘I am he,’ ^[+] and, ‘The time is at hand.’ Therefore don’t follow them.