I never had a policy; I have just tried to do my very best each and every day. 
If you have integrity, nothing else matters. If you don't have integrity, nothing else matters.
Love all, trust a few, do wrong to none.
Real integrity is doing the right thing, knowing that nobody's going to know whether you did it or not.
Selfishness is not living as one wishes to live, it is asking others to live as one wishes to live.