God gives the ability for us to use
relying on Him as there will always be more we can learn and be proficient in (Deut 8:18).
Rather than be self-serving and inward-focused, utilize your skills for the advancement of God’s Kingdom, having an eternal perspective and store up treasure where it really matters (Mt 6:19,20, 16:26). We are responsible to develop and use the spiritual gifts He has given us to build up the church (1 Cor 14:12; Eph 4:16).
Having a mentor who is competent in the area we are seeking to gain the mastery in is helpful, yet by just observing them we will not get more capable. It is only by having a go, then persevering and trying again after failing, we will get more skilful. This calls for dedication to become proficient through study, training and practice.
See also: ability, capability, competence, failure, giftings, practice, skill.