Clark Wimberly is a Content Designer at InVision, makers of a popular design prototyping tool. He spends his days writing and creating design content (screencasts, UI kits and ebooks). Previously, he was a UX Designer and founded the online community Android and Me. Check out ClarkLab, his personal website.
Clark's article
5 Simple UX Principles to Guide your Product Design
There were 5 Jacksons and 5 gold rings but Clark Wimberly has 5 golden principles that guide his product design. Read them. Recite them. Remember them well.