Sublime
An inspiration engine for ideas
The process is really like a word association game. As you go along, you’ll soon find that similar things naturally end up side by side. In reality, seemingly separate categories overlap each other slightly, existing in a gradation of interconnection.
Marie Kondo • Spark Joy: An Illustrated Guide to the Japanese Art of Tidying

the work of tidying should be completed once and for all within a single period of time.
Marie Kondo • The Life-Changing Magic of Tidying Up: The Japanese Art of Decluttering and Organizing (The Life Changing Magic of Tidying Up)

Il magico potere del riordino: Il metodo giapponese che trasforma i vostri spazi e la vostra vita (Vallardi Benessere)
amazon.com
Keep only those for which there is a clear purpose – those you are currently using, those you will need for a limited period and those that you need to keep indefinitely.
Marie Kondo • Spark Joy: An Illustrated Guide to the Japanese Art of Tidying
ADHD Cleaning And Decluttering Solutions: The Quick, Easy, and Effective Cleaning System and Guide to Get Rid of Clutter
amazon.com

surfaces are clear, which is visually calming.