“Since 1972 I have produced three to five gouaches a day. I have principles connected with this new medium: 1. Never rub out or attempt to erase. Work round it if you have made a mistake. Make of your mistakes a strength rather than a weakness. 2. Wait for it. That is , if you don’t …
https://ricdragon.com/2017/05/16/since-1972-i-have-produced-three-to-five-gouaches/