You might think our thoughts simply determine what we say. But maybe the language we speak is what really determines the thoughts we can have. As Wittgenstein famously wrote, “The limits of my language mean the limits of my world.” And Benjamin Lee Whorf held that the language you speak has a systematic influence on how you think about and interact with reality. John and Ken wrestle with the relationship between language and thought with Lera Boroditsky from Stanford University.