Passage
You shall return and obey Yahweh’s voice, and do all his commandments which I command you today.
You shall return and obey Yahweh’s voice, and do all his commandments which I command you today.
Deuteronomy 30:6 Yahweh your God will circumcise your heart, and the heart of your offspring, to love Yahweh your God with all your heart, and with all your soul, that you may live.
Deuteronomy 30:7 Yahweh your God will put all these curses on your enemies, and on those who hate you, who persecuted you.
Deuteronomy 30:8 You shall return and obey Yahweh’s voice, and do all his commandments which I command you today.
Deuteronomy 30:9 Yahweh your God will make you plenteous in all the work of your hand, in the fruit of your body, in the fruit of your livestock, and in the fruit of your ground, for good; for Yahweh will again rejoice over you for good, as he rejoiced over your fathers;
Deuteronomy 30:10 if you will obey Yahweh your God’s voice, to keep his commandments and his statutes which are written in this book of the law; if you turn to Yahweh your God with all your heart, and with all your soul.
The verse centers on "shall", "return", "obey", "yahweh", "voice", "commandments", and "today". It is saying that the verse draws attention to "shall" and "return", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 7's "Yahweh your God will put all these..." into verse 9's "Yahweh your God will make you plenteous...", so "shall" and "return" belong inside that flow. In Deuteronomy context, the local focus is covenant, worship, and faithfulness.
A plain takeaway is to answer the verse's own emphasis on "shall" and "return" with trust shaped by these words, not by a vague optimism outside the passage.