Genesis

In the beginning Man created the computer. Now the computer was formless and empty, darkness was over the surface of the deep, and the Spirit of Man was hovering over the terminal.

And Man said, "Let there be lisp," and there was lisp. Man saw that the lisp was good.

http://whalliburton.github.com/academy/

I meant, if I use C++, Java, or (in some cases PHP), why should I learn/use Lisp?