I've grokked programming only after being exposed to Lisp. Before Lisp, learning how to programme seemed like a never ending exercise. After, I realised I already know everything I need to know - data in, data out…
Yes. There is an old piece of sage advice: learning Lisp will make you a better programmer, whether you actually end up using it or not. Any paradigm you can think of is really just something you could do in Lisp...