"Act well your part ; there all honor lies." 

This quote is telling me to act well and not cheat. If you are fair then you will win things fair. You will be honored if you act well in your part. Meaning don't go against the rules. If you Are going to want to win fair then you will have to work yourself for it. Don't take things for granted. Whatever you do now will determine how people will treat you. If you behave bad or go against everything then people will treat you differently then how they would treat someone who follows the rules.  If you think about it the people who loose are happier then the people who cheat.