But medicine kept on the shelf will do the patient no good.
Doctors spend years in preparation so they can prescribe the correct medicine.
Druggists invest a great deal of time learning to prepare what the doctors order. When both are done with their work, the patient must still take his medicine if he is to benefit from any of this effort and preparation. The Scriptures must be studied. Their contents must be understood, then faithfully applied with care to the individual situation. Some Scripture is designed for teaching.