He has taught more than 400 students in the U.S., and feels the greatest handicap for Americans trying to study Chinese painting is a lack of English language books and English speaking teachers in the field.
丹維爾美術館館長曾經這樣說：「要使人們愛你的文化，你必須從搖籃開始下功夫。」劉墉在全美各地教過五百多個學生。他認為美國人學中國畫最大的困擾是英文的參考書籍難求，而能以英語授課的老師也不多。