"Discipline" principles for parenting

Here is a snippet from an article I read. To read the entire article click HERE!
A Simple Formula for Discipline
Three basic rules to follow when disciplining your preschooler.
By Dr. Henry Cloud & Dr. John Townsend
1. Don't give a command, positive or negative, that you aren't in a position to enforce.
2. Don't repeat a command once it has been clearly heard.
3. Follow through with the consequence.