How did Paul become a Kepler 822 worker if he can't read?

In Underwater (2020), below transcription:

Paul: "If you don’t know where you’re going, any road can get you there."

Norah: Dude.

Paul: What? It’s not me, Norah. It’s from a book.

Norah: We all know you can’t read.

How did Paul become a Kepler 822 worker if he can’t read?