悲伤不会改变你,海瑟。它揭示了你。
The most important thing in mathematics is to understand the concepts, not just to memorize formulas.
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。
我不数做了多少仰卧起坐,只在感到疼痛时才开始计数。
"The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them."