We need His perspective through relationship; not just His empowerment for what we think He wants us to do.
If someone has something to prove it can be a sign that they have not learned identity from relationship with Christ but instead have their value wrapped up in that thing.
Avoiding principles of how God works in the name of not having a formula and having freedom might cause us to miss living out the breakthrough... because God does work in certain ways.
It it easy to plateau in ministry and gifting if you think it is all about you. In fact, many times the breakthrough comes when I quit focusing on my gifts and destiny and instead focus on loving people and trusting God's heart of love for them to bring about the answer to what is needed for them.