数学的本质不是使简单的事情复杂化,而是使复杂的事情简单化。
按惯例,甜是甜的,苦是苦的,热是热的,冷是冷的,颜色是颜色;但实际上只有原子和虚空。
A good book should leave you slightly exhausted at the end. You live several lives while reading it.