Luke 18:21

"And he said, All these have I kept from my youth up."

Cross References (ranked by relevance)

Concerning zeal, persecuting the church; touching the righteousness which is in the law, blameless.

I say unto you, that likewise joy shall be in heaven over one sinner that repenteth, more than over ninety and nine just persons, which need no repentance.

Luke 15:29

And he answering said to his father, Lo, these many years do I serve thee, neither transgressed I at any time thy commandment: and yet thou never gavest me a kid, that I might make merry with my friends: