Greatness, in human terms, does not mean perfection, but ones ability to convert fear into bravery, problems into opportunities, struggle into success. This one is not the general of the people, a help to the ruler, or the master of victory. What enables the enlightened rulers and good generals to conquer the enemy at every move and achieve extraordinary success is foreknowledge. It's unfortunate that organizations normally learn and take notice only after great tragedies. There are areas you can control, there are areas you can only influence, and there are areas you neither can control nor influence.
Many people tend to worry most about the last item.
Focus in on the objectives closest to you first. If nothing else, they'll help you build momentum to take on larger, more complex issues. People are curious to know the lives of others, but slow to correct their own. Reading about the lives of other people can be inspiring at times. Ordinary folks who accomplished great things despite enormous pressures.