数学中最重要的是理解概念，而不仅仅是记忆公式。
The most important thing in mathematics is to understand the concepts, not just to memorize the formulas.
善恶之间的界限是可渗透的，任何人都可以跨越。
The only person who is educated is the one who has learned how to learn and change.
年轻人并不堕落；他们只有在成年人已经堕落时才会被宠坏。
农业中的每个挑战都是创新和改进的机会。
学习古人但不拘泥于古人，效法古人但不抄袭古人。
Leadership is about making tough decisions, not just giving orders.