Never traffic in unpracticed truth.
You focus on the depth of your relationship [with God]; let Him determine the scope of your ministry
It is amazing how much light the Bible shines on commentaries
The teacher has not taught until the student has learned.
It's essential to growth. It's essential to maturity. It's essential for equipping you, training you, so that you might be an available, clean, sharp instrument in His hands to accomplish His purposes.
So it is with scripture. The word of God is there, able to transform your life. But you must probe for it. You have to penetrate the surface with more than just a cursory glance.