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.
Education begins the gentleman, but reading, good company and reflection must finish him.
"The act of remembering is a way of reclaiming our history and asserting our presence in the world."
记忆的行为是重新夺回我们的历史并断言我们在世界中的存在的一种方式。
The concept of computational efficiency is central to the design of learning algorithms.
Writing is a way of reclaiming the past.
Leadership means making tough decisions today that will benefit future generations.
历史不仅仅是过去的事情，它也是现在的镜子。