The study of truth requires a considerable effort - which is why few are willing to undertake it out of love of knowledge - despite the fact that God has implanted a natural appetite for such knowledge in the minds of men.
一位哥伦比亚大学的学生问到巴菲特关于投资美国航空的原因,他说
出自《抱朴子·备阙》。使用弹弓打鸟,泥丸比千金更适用。