I've met incredible people before. [In the tower and before that, people that Riku admires and respects, not just for what they can do but also for who they are.] So far you don't qualify.

[Blunt and to the point, because yeah, he is maybe kind of getting annoyed with Rin's boasting.]

The mistake is trying to face them head on in first place. It's been tried before and it doesn't work.