(eq today (car (cdr life))) -- (Author unknown) CommonLisp has other ways of saying '''car''' and '''cdr''' that, according to taste, either wreck that joke or clarify it. [''For example:'' (eq today (first (rest your-life))) - JayOsako] You can still say '''car''' and '''cdr''', though... I think, by the way, that I prefer (eq today (car (cdr (life you)))) ---- '''Q:''' How many Lisp programmers does it take to change a lightbulb? '''A:''' A whole CAR full. ---- When my first wife left me, she took everything. The kids, the house, the car. She didn't even leave me the cdr! ---- Bumper sticker: "My other CAR is a CDR" ---- One day a student came to Moon and said: "I understand how to make a better garbage collector. We must keep a reference count of the pointers to each ''cons''." Moon patiently told the student the following story: : "One day a student came to Moon and said: `I understand how to make a better garbage collector ...'" (see http://catb.org/~esr/jargon/html/koans.html for more of these).