> much of the things that made Lisp attractive before are already available in Python, Java, etc. and I see no "enlightment" in learning Lisp. I have not found

> much of the things that made Lisp attractive before are already available in Python, Java, etc. and I see no "enlightment" in learning Lisp. I have not found englightenment either, but I could not find another production-grade language that can model anything like a tree (eg. abstract syntax trees) and let its user extend the language itself without the language authors.