A LISP programmer knows the value of everything, but the cost of nothing.
You can measure a programmer's perspective by noting his attitude on the continuing vitality of FORTRAN.
There is no such thing as a free variable.
Once you understand how to write a program get someone else to write it.
We toast the Lisp programmer who pens his thoughts within nests of parentheses.
In software systems it is often the early bird that makes the worm.