"Every character should want something, even if it is only a glass of water."
每个角色都应该想要点什么，哪怕只是一杯水。
The human being cannot live in a condition of emptiness for very long: if he is not growing toward something, he does not merely stagnate; the pent-up potentialities turn into morbidity and despair, and eventually into destructive activities.
The Erdős discrepancy problem fascinated me because it was so simple to state yet so deep in its implications.