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.
Mathematics is not a spectator sport.
全球性挑战需要具有全球视角的本地解决方案。
凡是言论好行动，有利于上天鬼神与百姓的就做，凡是言论好行动，有害于上天鬼神与百姓的就舍弃。
Art should be a space for questions, not just answers.