Rather than seeking approval from men, Jesus did that which was approved by God. Therefore, His actions and behaviors often seemed unconventional to those around Him.
The most comprehensive of the four Gospels, Luke is a beautifully written book that documents the perfect humanity of Jesus and presents Him as the Son of Man who seeks and saves the lost.
Dr. Boa picks up in Mark 9 and Luke 12 with his discussion of Jesus's invitation to pursue him above all other things and to cultivate an inner life that can sustain that pursuit.