Envy is the ulcer of the soul.
The beauty of mathematics is that it allows us to abstract away from the physical world and focus on the underlying principles.
Writing is not about being clever. It's about being honest.
创新不是对每件事都说“是”,而是对所有非关键特性说“不”。
利润不是企业的正当目的。企业的正当目的是提供人们需要的产品或服务,并且做得足够好从而获得利润。