Be careful to do: a command to obey, to put into practice; see 5.32.
All this commandment: see 5.31.
Walking in all his ways: see 8.6; 10.12
Cleaving to him: see 10.20.
Quoted with permission from Bratcher, Robert G. and Hatton, Howard A. A Handbook on Deuteronomy. (UBS Helps for Translators). New York: UBS, 2000. For this and other handbooks for translators see here .