- When I was an altar boy. Et introibo ad altare dei, ad deum qui laetificat juventutem meam.
- How'd I remember that?
- What's it mean?
- And I go into the altar of God, to God who giveth joy to my youth.

— Nick Romano (John Derek)

20 seconds sound clip from the Knock on Any Door movie soundboard.

You can hear this line at 00:48:49.158 in the Blu-ray version of the movie.

Quote context

[...]

- All the people I've met in my life, you're the only one like you.

- Lots of stars.

- With you, I remember things... Long-ago things.

- Me too.

- Like Jimmy. He was my pal in reform school. My father.

- I didn't know my father.

- When I was an altar boy. Et introibo ad altare dei, ad deum qui laetificat juventutem meam.

- How'd I remember that?

- What's it mean?

- And I go into the altar of God, to God who giveth joy to my youth.

- It's beautiful.

- I guess I got all mixed up. I guess I played it wrong.

- You know, in the spring when I started to grow up, I used to come into this park. I felt the way I do now. Just floating with happiness.

- Look, what I said to you that night, when I gave you the bracelet almost...

[...]