Invitation and Challenge: Jesus based his ministry on these principles, especially with the disciples. Jesus was always challenging the disciples, their thinking, attitudes, practices. But this challenge did not come without support. They were constantly invited into relationship. You only need to look at the calling of Simon and Andrew in Matthew 4:18-20.
18 As he walked by the Sea of Galilee, he saw two brothers, Simon, who is called Peter, and Andrew his brother, casting a net into the sea—for they were fishermen. 19 And he said to them, “Follow me, and I will make you fish for people.” 20 Immediately they left their nets and followed him.
Jesus is issuing a huge challenge to Simon and Andrew. From now on you will “fish for people”. They were being asked to leave everything, the family business, the only form of employment they had known, to fish for people. But it was not all challenge. There was an invitation to follow Jesus, to walk with him, to listen to his teaching, to see the things that Jesus did.
The same invitation and challenge is available to us. The invitation of a life with Jesus as King and the challenge of sharing Jesus with others.