1. Good design is innovative

2. Good design makes a product useful

3. Good design is aesthetic

4. Good design makes a product understandable

5. Good design is unobtrusive

6. Good design is honest

7. Good design is long-lasting

8. Good design is thorough down to the last detail

9. Good design is environmentally-friendly

10. Good design is as little design as possible

10 Principles for Good Design by Dieter Rams
Essenz Black by Georg Salden, available at www.ludwigtype.de