数学家是模式的创造者,就像画家或诗人一样。
成功不是终点,失败也并非致命,重要的是继续前进的勇气。
The poor perpetually sell their time cheaply, yet can never buy it back.
能源的未来在于可持续性和创新。
保持一颗永不僵硬的心,一种永不疲倦的性情,以及一种永不伤人的态度。
I prefer to count the stars rather than to laugh at them.