You must be in fellowship prior to your Bible study, so that the spiritual information you receive can become a source, of blessing to your soul and produce spiritual growth.
21 And [kai] being fully persuaded [plerophoreo] that [hoti], what [hos] he had promised [epaggello],
he was [esti] able [dunatos] also [kai] to perform [poieo]. KJV-Interlinear
21 fully
convinced that God was able to do what he had promised. ESV