en_tn/pro/07/01.md

keep my words

AT: "remember my words"

store up my commands within you

"memorize my commands"

the apple of your eye

"a treasure" or "something you cherish" (See: rc://en/ta/man/translate/figs-idiom).

my instruction

AT: "what I have taught you" or "what I have commanded you"

write them on the tablet of your heart

See how you translated this in Proverbs 3:3.