Math is like a mental martial art. It doesn't need a concrete application to be useful to everyone because it shapes the way you think about everything! Besides

Math is like a mental martial art. It doesn't need a concrete application to be useful to everyone because it shapes the way you think about everything! Besides, applications are generally not why people do math. It's really about the doing. (That's not to say that practical applications aren't important or numerous, just that they're the most boring aspect of math, once you get to know math.)