In his "[This is Water](https://www.youtube.com/watch?v=8CrOL-ydFMI&feature=emb_logo&ab_channel=JamieSullivan)" commencement speech, [[David Foster Wallace]] uses this parable as a [[metaphor]] for things that are so omnipresent you no longer notice them: > There are these two young fish swimming along and they happen to meet an older fish swimming the other way, who nods at them and says, "Morning, boys, How's the water?" > > And the two young fish swim on for a bit, and then eventually one of them looks at the other and goes, "What the hell is water?" This is a good way of thinking about [[ideology]] and [[unknown known]]s (things we know, but we don't know that we know them). See also [[Žižek's wheelbarrow joke]]