市场失灵的程度并不是政府干预的充分条件。

"Life is a series of moments, and it's up to us to make the most of each one."

"The truth is rarely pure and never simple."

不要陷入片段问题，而应该时刻展望整个伟大的问题，即使这个视野还不够清晰。

People with a sense of fulfillment think it a good world and would like to conserve it as it is, while the frustrated favor radical change.