I believe we are most likely to succeed when ambition is focused on noble and worthy purposes and outcomes rather than on goals set out of selfishness.
Never try to be better than someone else. Learn from others.
Being a role model is the most powerful form of educating
A good banker isn't careless with pennies; a good leader isn't sloppy about details.
Effective leaders are, first and foremost, good teachers. We're in the education business.
You never fail if you know in your heart that you did the best of which you are capable. I did my best. That is all I could do. Are you going to make mistakes? Of course. But it is not failure if you make the full effort.