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 over at the other and goes, 'What the hell is water?'
David Foster Wallace start with the "standard didactic little parabolic stories" at Kanyon College (youtube). His entire speeches pulled my heartstrings and give me critical lessons to look at society differently.
Lessons of the above story are that the trivial but essential things are too close to realize, and you will realize it when it is lost.
Another lesson is about default mindset. Since you are in the water, it is not easy to recognize you have grown up and touched with water in your daily life. This affects our way of thinking and works as bias. We think we are the center of the world and are the main character in our stories.
What would be "water" for you? He mentioned water is 'freedom of thinking' for us. I would add health. I cannot appreciate more my wife, my parents, myself has mentally and physically healthy condition.
Word of the day: heartstring