A collection of interesting articles I've gathered from different sources...
Kanso (simplicity):
kansoKanso dictates that beauty and utility need not be overstated, overly decorative, or fanciful. The overall effect is fresh, clean, and neat. Simple is better! Less is more! Learn to eliminate the unimportant and focus on what matters within the space, resulting in a fresh, simple design. It is easy to over-complicate design with extravagant layouts and weird designs. However tempted you might be, aim to keep your design simple. In Zen philosophy, profound knowledge and thought is best expressed through simple terms. In nature, particularly Bonsai, the most beautiful objects are often the simplest.

Eliminate what doesn’t matter to make more room for what does