The general point from T.D. Jakes at the 2018 Global Leadership Summit is to be passionate about something and then find ways to act on that passion. Assuming it is a passion that is led by the Lord and inspired by advancing the Kingdom of Heaven, that is right on. Find the thing that God has called you to do and then work at it with all of your heart!
Here is my sermon on John 21. It struck me how much Jesus worked with Peter and helped him to have confidence that he would follow Jesus. I think Peter was afraid to make any promises to Jesus, considering how passionate he was about his devotion the night of the last supper.
We, the people of God, are carried forward by a vision of the future that constitutes our mission. When we are caught up into it, and pursue it, we are changed, and we go on to enact history. From The Forgotten Ways, by Alan Hirsch