From childhood, Timothy's Jewish grandmother and mother, Lois and Eunice, taught him the Old Testament Scriptures (see Acts 16:1–3; see 2 Timothy 1:5). Their lives reinforced their teachings.
the Holy Scriptures, which are able to make you wise … in Christ Jesus: The Old Testament Scriptures give people the wisdom to receive Christ. At the same time, understanding Jesus Christ is necessary to fully understand the Old Testament Scriptures.