Free vaccines are more valuable than expensive treatments, yet harder to promote.

There's no art To find the mind's construction in the face; He was a gentleman on whom I built An absolute trust.

Home is not where you are born; home is where all your attempts to escape cease.

好奇心是推动科学发现的引擎。

解读：抽象群体易被理想化，而身边真实个体有缺点、会犯错，呼吁把关爱落到实处，关心身边亲朋，而非空谈大爱，忽略眼前人的需求。