that thy fountains may not fail thee; keep them in [thine] heart.
LXX2012
Proverbs 4:21
that your fountains may not fail you; keep them in [your] heart.
Parallel Translations
Let them not depart from thine eyes; keep them in the midst of thine heart.
Let them not depart from your eyes. Keep them in the center of your heart.
Cross References
Cross references via openbible.info (CC-BY)