Dieter Ram's 10 Principles of Good Design

1. Good Design is innovative
2. Good design makes a product useful
3. Good design is aesthetic
4. Good design helps us to understand a product
5. Good design is unobtrusive
6. Good design is honest
7. Good design is long-lasting
8. Good design is consequent to the last detail
9. Good design is concerned with the environment
10. Good design is as little design as possible