The most important thing for any aspiring writer, is to read! And not just the sort of thing you're trying to write, be that fantasy, SF, comic books, whatever. You need to read everything.
George R. R. MartinStart trying to work out who deserves what, and before long you'll spend the rest of your days weeping for each and every person in the world.
George R. R. MartinAn artist has an obligation to tell the truth. [...] that the true horrors of human history derive not from orcs and Dark Lords, but from ourselves. We are the monsters. (And the heroes too). Each of us has within himself the capacity for great good, and great evil.
George R. R. Martin