How do you keep the focus?

I know what it is to be in need, and I know what it is to have plenty. I have learned the secret of being content in any and every situation, whether well fed or hungry, whether living in plenty or in want. I can do all this through him who gives me strength. Philippians 4:12-13(NIV)

No matter if I have plenty or if I have needs, is it possible to keep the focus?  Yes, if we make the choice to do things through Him who gives us strength.