I know you have all heard that saying before. The work I did this past weekend really reinforced the truth of it to me.
I was doing some weekend cleaning and decluttering in my home. It was really nice to see the impact that paring down had on my interior design. My wonderful kitchen shelf that displayed my blue and white porcelain collection became more of a beautiful focal point when I limited the amount of the pieces I had on display. Removing half of my pieces allowed the beauty of the remaining pieces to really look great. "Lesser" quantity on the shelf became "more" of a design impact.
Pick an area of your home and try it out. You will see less is more.