Even in an urban commute, God can provide His own peace to our lives - sometimes at unexpected times.
Even when our environment is relatively quiet, there can still be a lot going on in our hearts and minds. How can we fill the space inside with good things, and drive out the chaos?
If you find that other thoughts compete with your time with God, how can they be captured for later, so that you can focus on Him?
The first step to having peace is not necessarily to find "quiet".