By Da Vinci: www.goodreads.com/quotes/9010638-simplicity-is-the-ultimate-sophistication-when-once-you-have-tasted
There are infinitely many variants across the ages:
I'm sorry for writing you this long letter... I didn't have time to write a short one
by Blaise PascalMake everything as simple as possible, but no simpler
by Albert EinsteinPerfection is achieved, not when there is nothing more to add, but when there is nothing left to take away
by Antoine de Saint-Exupéry- KISS principle