Luke 5:27-32
27 And after these things he went forth, and saw a publican, named Levi, sitting at the receipt of custom: and he said unto him, Follow me.
28 And he left all, rose up, and followed him.
29 And Levi made him a great feast in his own house: and there was a great company of publicans and of others that sat down with them.
30 But their scribes and Pharisees murmured against his disciples, saying, Why do ye eat and drink with publicans and sinners?
31 And Jesus answering said unto them, They that are whole need not a physician; but they that are sick.
32 I came not to call the righteous, but sinners to repentance.
The Grace New Testament Commentary - Luke 5:32
5:32 This famous mission statement from Jesus - "I have not come to call the righteous, but sinners, to repentance" - functions on various levels. It rebukes the self-righteous by highlighting their own self-delusion of moral uprightness; it excludes the actually righteous (those like Simeon and Anna who already enjoyed fellowship with God); and it invites the unrighteous (those lacking in moral uprightness) to harmonious relations with Him - the goal of repentance.