The true cost of food isn't just what you pay at the store—it's what the planet pays over time.

The process of discovery in mathematics is often more important than the result itself.

追求纯粹的美是一种陷阱，是通往痛苦和悲伤的快车道。

无限的责任是一种病态。

贫贱是苦难的境界，能很好地居于其境者就苦中有乐；富贵是快乐的境地，不能很好地对待富贵的人便会乐极生悲。