Passage
I call heaven and earth to record this day against you, that I have set before you life and death, blessing and cursing: therefore choose life, that both thou and thy seed may live:
I call heaven and earth to record this day against you, that I have set before you life and death, blessing and cursing: therefore choose life, that both thou and thy seed may live:
Deuteronomy 30:17 But if thine heart turn away, so that thou wilt not hear, but shalt be drawn away, and worship other gods, and serve them;
Deuteronomy 30:18 I denounce unto you this day, that ye shall surely perish, and that ye shall not prolong your days upon the land, whither thou passest over Jordan to go to possess it.
Deuteronomy 30:19 I call heaven and earth to record this day against you, that I have set before you life and death, blessing and cursing: therefore choose life, that both thou and thy seed may live:
Deuteronomy 30:20 That thou mayest love the LORD thy God, and that thou mayest obey his voice, and that thou mayest cleave unto him: for he is thy life, and the length of thy days: that thou mayest dwell in the land which the LORD sware unto thy fathers, to Abraham, to Isaac, and to Jacob, to give them.
The verse centers on "call", "heaven", "earth", "record", "against", "before", "life", and "death". It is saying that the verse draws attention to "call" and "heaven", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 18's "I denounce unto you this day that..." into verse 20's "That thou mayest love the LORD thy...", so "call" and "heaven" 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 "call" and "heaven" with trust shaped by these words, not by a vague optimism outside the passage.