What is the literal meaning and deeper meaning? For Zuko by Dave Harris

Yes, I too have known fire. And yes,
I too have wondered if I come from
a burnt people. A people who have always
been ablaze. I too have hated my own hands

Read the lines from "when i have fears" and answer the question. when i have fears that i may cease to be before my pen has glean'd my teeming brain, before high piled books, in charact'ry, hold like richgarners the full-ripen'd grain . . to fully understand the metaphor keats uses in these lines, readers must know that "garners" means the things that are harvested the places where harvests are stored the praises one receives for abundant harvests the people who own the harvests