“Rule #1: Hurt, but do not harm.”
“The first rule of being a ninja is, 'Do no harm.' Unless you mean to do harm. Then do lots of harm.”
“Rule No. 1 : Never lose money. Rule No. 2 : Never forget Rule No. 1.”
“There are 2 rules in life:Number 1- Never quitNumber2- Never forget rule number 1.”
“Rule #1: The customer is always right. Rule #2: If the customer is wrong, please refer to rule #1. -Duncan Howe”
“Rules of Optimization:Rule 1: Don't do it.Rule 2 (for experts only): Don't do it yet.”