The secret of being miserable is to have leisure to bother about whether you are happy or not.
经济周期的福利成本并非周期本身,而在于人们是风险厌恶的。
He is the only animal that loves his neighbor as himself, and cut his throat if his theology isn't straight.
艺术家必须是绝对的仆人。
数学的真正力量不在于它的复杂性,而在于它的简洁和优雅。