Jon-Tarr considers your question a moment, then spreads his hands expansively. His reach is really very wide; you briefly remember articles you've read about the wingspan of some condors. "This world—this concrete, everyday world—is vast and unfathomable. I will likely live for many years, and yet I will see only the smallest sliver of it. How can I be expected to specialize, to limit the scope of that small sliver even further still? And then, when we also consider other worlds, other dimensions, powers that are far from the concrete and everyday…. No, there is just too much I haven't yet seen. I have no wish to focus."
"You don't think this shows a lack of commitment to one discipline?" you ask.
"I think it shows a commitment to every discipline."