These are the 3 magic keys to living your life with integrity." - W. Clement Stone

1. Have the courage to say no
2. Have the courage to face the truth
3. Do the right thing because it is right

I do believe that the only way to live life with high integrity is by only these three keys but i do feel that their might be more ways to live it with integrity  but these points might be the main ways but i am pretty sure that their might be more anyone can choose which way to go to but there's always an option that anyone can choose from