"The main thing is to keep the main thing the main thing" (Stephen R Covey). This is something that we regularly quote on our Managing Successful Programmes course, when we are discussing the vital topic of Benefits Realisation Management.
This short video, from the film "City Slickers" reminds us that we need to maintain clarity on "the one thing".
Let's not be distracted from the bigger vision (in the case of programmes - the need to realise benefits for the business).