数学的美妙之处在于它常常引导我们发现关于物理世界的真理,而这些真理是我们无法通过其他方式发现的。
The poor dream all their lives of getting enough to eat and looking like the rich. And what do the rich dream of? Losing weight and looking like the poor.
爱着的心才是真正活着的心。