" In your process of removing the unneeded excess, you’ll want to develop your own working definition of clutter. Early in our minimizing journey, my wife and I began to define clutter as (a) too much stuff in too small a space, (b) anything that we no longer used or loved, and (c) anything that led to a feeling of disorganization. Feel free to rip off that definition if you want. But there are other definitions you might find resonate better with your ideals. For example, Joshua Fields Millburn defines clutter as anything that does not “add value” to his life.1 Marie Kondo describes clutter as those things in her home that do not “spark joy.” 2 Peter Walsh goes even further, saying that clutter is anything that “interferes with the life you could be living.” 3 And William Morris says it this way: “Have nothing in your house that you do not know to be useful, or believe to be beautiful.” 4 "

― Joshua Becker , The More of Less: Finding the Life You Want Under Everything You Own