But on the road that I'm on I must continue; if I do nothing, if I don't study, if I don't keep on trying, then I'm lost, then woe betide me. That's how I see this, to keep on, keep on, that's what's needed.
Vincent van Gogh (2009). “Saint-Rémy-de-Provence - Auvers-sur-Oise, 1889-1890, [772-902]”