General Information:

Moses continues to speak to the Israelites as if they are one person. (See: rc://en/ta/man/translate/figs-you)

You must keep ... you may live and multiply, and go in and possess ... your fathers

All instances of "you" and "your" and the verbs are plural. (See: rc://en/ta/man/translate/figs-you)

This is an idiom. AT: "You must remember" (See: rc://en/ta/man/translate/figs-idiom)

"he might show you how weak and sinful you are"

"to reveal" or "to show"

The heart is a symbol of a person's character. AT: "what kind of people you are" or "how you would behave" (See: rc://en/ta/man/translate/figs-metonymy)