The quote reflects the idea that a man's honesty and openness shine brightest when he acknowledges his imperfections. It suggests that admitting to flaws makes a person more relatable and genuine, as no one is without faults. The candor of an individual becomes more admirable when they can discuss their shortcomings rather than pretending to be perfect.
The author, George Eliot, uses vivid imagery to describe different types of faults. The man's confidence in his flaws being noble rather than deceitful highlights a certain pride in his character. By focusing on faults that are bold and passionate, rather than sneaky or underhanded, Eliot emphasizes a distinction between types of imperfections, suggesting that honorable failings can enhance one's integrity and charm.