Move Along by The All-American Rejects
Those are lyrics from the song. The song is saying no matter what adversity you are going through, important or petty, that all you have to do is keep fighting. Even on you darkest days, when everything is against you, if you just keep moving and do not yield to your problems. you can make it through alright. The message of the story is even if you don't have any hope left, if you just keep going and keep trying, you will survive, and you will succeed.