As for you, if you walk (live your life) before Me, as David your father walked, in integrity of heart and in uprightness, acting in accordance with everything that I have commanded you, and will keep My statutes and My precepts,

The Lord was with Jehoshaphat because he followed the example of his father (ancestor) David. He did not seek [to follow] the Baals [the false gods],

He did right in the sight of the Lord, in accordance with everything that his father Amaziah had done.

I remember your sincere and unqualified faith [the surrendering of your entire self to God in Christ with confident trust in His power, wisdom and goodness, a faith] which first lived in [the heart of] your grandmother Lois and your mother Eunice, and I am confident that it is in you as well.

and how from childhood you have known the sacred writings (Hebrew Scriptures) which are able to give you the wisdom that leads to salvation through faith which is in Christ Jesus [surrendering your entire self to Him and having absolute confidence in His wisdom, power and goodness].

so that they may encourage the young women to tenderly love their husbands and their children,