en_tn/deu/04/39.md

General Information:

Moses continues to speak to the people of Israel if they were one man, so all instances of "you" and "your" are singular. (See: rc://en/ta/man/jit/figs-you)

lay it on your heart

This is an idiom. Alternate translation: "remember it" (See: rc://en/ta/man/jit/figs-idiom)

in heaven above and on the earth beneath

The two phrases "in heaven" and "on the earth" show two extremes and mean "everywhere." Alternate translation: "over everything" (See: rc://en/ta/man/jit/figs-merism)