If we were to ask Admiral William McRaven, he might say, “Make your bed.”

https://www.youtube.com/watch?v=U6OoCaGsz94

See his book along those same lines (“Make Your Bed”)…

https://www.amazon.com/Make-Your-Bed-Little-Things/dp/1455570249

But what’s YOUR short list for successfully changing the world? (Thanks Chris!)