Thanks for the Perlis wisdom. Recently I was looking for Phil Greenspun's laws (or whatever they are), to no avail. Can anyone help? -----Original Message----- From: George [mailto:firstname.lastname@example.org] Sent: Thursday, January 10, 2002 4:27 PM To: email@example.com Subject: Perlis wisdom - written in the '70s 1. One man's constant is another man's variable. etc.