definitions typhoid rule one: dont trust the definitions! when you have mastered this one, come to rule two: redefine the definitions! dismissed! 000607 ... penicillin definitions can only ever give vague outlines. exact definitions are impossible. sometimes following traditional definitions is useful. sometimes coming up with new definitions is useful. often definitions are just a waste of time. and even when it is a good thing, it is easy to take it too far. 000608 what's it to you? who go blather from