What are the canonical laws of doing DS106?

flickr photo shared by cliff1066™ under a Creative Commons ( BY ) license
Dr. Dave Akin, professor of spacecraft design at the University of Maryland, has gathered a collection of tongue-in-cheek laws to follow when building spaceships, e.g.
3. Design is an iterative process. The necessary number of iterations is one more than the number you have currently done. This is true at any point in time.
Tweet one law of #ds106 to add to it’s own canonical list.
Tweet your response to @ds106dc and be sure to include the hashtag #tdc2706
Tweet your response to ds106dc
This Daily Create has been recycled from previously published ones:
• #tdc1743 The Laws of #ds106 (Oct 16, 2016)
Don't Want to Tweet Your Response? Really?