Depends on my design experience in the past and GRDS 701 teaching methods, i feel a mature design comes form life, but different from the life, which  requires the designers to have a good design method. However, many designers lack of this design method. In the exercise of this class gives me a great inspiration, through three practices and exchange ideas with partner makes me feel design ideas can be constantly refreshed and there are variety of design possibility came from one word. Ordinary people only have the basic logical thinking, but this is not enough for a designer. For a design artwork, it requires a steady stream of design inspiration, seeking for changes; which requires designers must have a good imagination, association ability, the ability of innovate. Therefor, the role of divergent thinking is prominent.