Free vaccines are more valuable than expensive treatments, yet harder to promote.
免费的疫苗比昂贵的治疗更有价值，但更难推广。
Every problem in mathematics has a solution; you just have to find the right path.
Change your focus, change your life.
环境中的微小变化可以导致行为的巨大改变。
Psychology must be a science of functions, not just a science of facts.
小说是一面镜子，反映的不是现状，而是可能。
宇宙不仅比我们想象的更奇怪，而且比我们能够想象的还要奇怪。
艺术家的职责是成为时代的见证者。