It’s funny, when I look for resilience quotes from the Uchiha, I keep coming back to Sasuke’s line after the final valley fight: 'I don’t care about the world anymore. I don’t care about the village, or my family, or my brother. But... I can’t let go of you.' That one hits so hard because it’ capacity for obsession twisting into endurance. It’s not a healthy kind of strength, but it is resilience—an incredibly stubborn, almost broken kind of willpower to keep going even when your purpose has narrowed to a single point. It’s the antithesis of Naruto’s broad, hopeful strength.
Another one I’d include is actually from Fugaku, not spoken but implied: the clan’s entire history of feeling persecuted, yet producing some of the most powerful shinobi. Their resilience often came through sheer force and isolation, which is a darker, more tragic interpretation. Itachi’s 'A person’s worth is not determined by the number of people they kill' speaks to that, too—choosing to define your own strength against the cycle of violence you were born into. Not the most uplifting, but inspiring in a 'surviving your own legacy' kind of way.
I always think Madara’s 'Wake up to reality' monologue fits, weirdly. It’s cynical, but the sheer force of his conviction, even when he’s objectively wrong, shows a resilience built on total belief in his own vision. Not a role model, but definitely a display of unshakeable strength, however misplaced.