Just as certain muscles in the body of an athlete need to be trained through repeated use before he can excel at his sport, our perceptive powers have to be trained through use in applying Bible principles.
Sebagaimana otot - otot tertentu dalam tubuh atlet perlu dilatih secara berulang - ulang sebelum ia dapat menguasai cabang olahraganya, daya pemahaman kita harus dilatih dengan menerapkan prinsip Alkitab.