I have learned to be content whatever the circumstances. 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 everything through Christ who gives me strength. NIV
Paul has found peace and freedom from worry. He is content.
With Christ, our present, earthly circumstances matter little. We can focus on the truth, that He is the source of our joy and our contentment. He is truly the Way, the Truth and the Life.