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 in a commencement speech in 2005
Life is all about knowing a certain truth, and American novelist David Foster Wallace explains it very well in this speech he gave liberal arts students years back. Listen, and learn.