"I'm just saying that there are high quality materials, and when we change them then there should be a way of changing them so that you can celebrate that change - rather than just 'mix it up'"

This quote by Richard Rogers is highlighting the value of quality materials and the need to commemorate changes made to them. He is suggesting that when modifications are made to high quality materials, they ought to be done in a manner in which allows us to appreciate the change. Instead of simply arbitrarily mixing up the materials, Rogers is suggesting that we need to be mindful of the modifications we make and make the effort to celebrate them. This might be done by recognizing the effort that entered into making the modifications, or by making the effort to value the make over or feel of the products. By taking the time to commemorate the changes, we can show respect for the materials and the effort that entered into making them.