Deuteronomy 30:17

17 But if thy heart change, and thou wilt not hearken, and thou shalt go astray and worship other gods, and serve them,

Deuteronomy 30:17 Meaning and Commentary

Deuteronomy 30:17

But if thine heart turn away
From the true God, and the right worship of him, and from his commands, statutes, and judgments:

so that thou wilt not hear;
the voice of the Lord and obey it, or hearken to his laws, and do them:

but shalt be drawn away;
by an evil heart, and by the ill examples of others:

and worship other gods and serve them;
the gods of the Gentiles, the idols of the people, besides the one living and true God, the God of Israel.

Deuteronomy 30:17 In-Context

15 Behold, I have set before thee this day life and death, good and evil.
16 If thou wilt hearken to the commands of the Lord thy God, which I command thee this day, to love the Lord thy God, to walk in all his ways, and to keep his ordinances, and his judgments; then ye shall live, and shall be many in number, and the Lord thy God shall bless thee in all the land into which thou goest to inherit it.
17 But if thy heart change, and thou wilt not hearken, and thou shalt go astray and worship other gods, and serve them,
18 I declare to you this day, that ye shall utterly perish, and ye shall by no means live long upon the land, into which ye go over Jordan to inherit it.
19 I call both heaven and earth to witness this day against you, I have set before you life and death, the blessing and the curse: choose thou life, that thou and thy seed may live;

The Brenton translation of the Septuagint is in the public domain.