Here's a breakdown of the scene:
* Jules and Vincent arrive at the apartment. We see them walking in, guns drawn, and Jules talking about his "philosophy" of life and death.
* Jules's monologue. He delivers a powerful monologue about fate, choice, and the meaning of life. He realizes that he was meant to survive the shootout at the diner and has found a new path.
* Jules's decision. Jules decides to spare Brett's life, telling him to "go on and live" and leave the criminal life behind.
* Jules and Vincent leave. They walk out of the apartment, with Jules leaving his gun on the table as a symbolic gesture.
The scene ends with a shot of the gun lying on the table, leaving the audience to contemplate Jules's newfound perspective and the potential for redemption.