We must be vigilant and resolutely fight against all enemies, both internal and external.
我们必须保持警惕,坚决与一切内外敌人作斗争。
艺术家的功能是扰乱舒适者,安慰不安者。
数学是理性的音乐。
真正的记忆艺术是注意力的艺术。
不修养品德,不讲习学问,听到正义不能追随,有缺点不能改正,这些都是我所忧虑的。
Innovation is not about subverting tradition but making breakthroughs while inheriting and moving forward steadily.