知识的最大敌人不是无知，而是对知识的幻觉。
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
绝不能为了短期利益而牺牲质量。
学习数学的唯一方法就是做数学。
The most successful businesses are those that adapt quickly to change while staying true to their core values.
作家的职责是说出真相，即使这很不方便。