Theme, from Atlas Shrugged by Ayn Rand.
"I swear, by my life and my love for it, that I will never live for the sake of another man, nor ask another man to live for mine."
Consider: You pretty much ride your own train, from cradle to grave, and if you insist on carrying your own baggage, and no one else's, you just might have a lonely trip. Click on this link for a current examination of this theme. (Don't miss the 'Comments' to be found there.)