Via The Resurgence, (HT: Justin Taylor) R. C. Sproul gives advice on preparation to young men who plan on entering pastoral ministry. What I noticed about his answer is that it likely applies just as well to someone already in ministry who feels they a lacking the power of the Holy Spirit, or just not accomplishing anything of lasting value.
They have to get in the Word. They will only be as good in the pastorate as their mastery of the Word of God. That’s what people really need. There may not be many people who really want it, but its what they need.
I think there’s a huge need for pre-ministry preparation. In addition, even just two years out of a great seminary and college experience, the need for continual growth and learning is apparent in my own life. Here’s the video: