To follow the high calling means to follow Jesus, that is, to follow and recognize His leadership and supreme authority. To know Him, to know His teaching, that is, the truth of the word of God and, above all, to apply this truth to our lives, to be doers, not just listeners. Not just fans but followers. But how does that work?
“For those who are led by the Spirit of God are the children of God.” (Romans 8:14)