Attributed in Adweek, 16 Sept. 1985.Widely attributed to Deng, but there is no evidence that he ever used it. It was popularized by Orville Schell's 1984 book, To Get Rich Is Glorious: China in the '80s. Schell has stated that he probably encountered the phrase in Chinese media reports.
John Muir (2015). “JOHN MUIR Ultimate Collection: Travel Memoirs, Wilderness Essays, Environmental Studies & Letters (Illustrated): Picturesque California, The Treasures of the Yosemite, Our National Parks, Steep Trails, Travels in Alaska, A Thousand-mile Walk to the Gulf, Save the Redwoods, The Cruise of the Corwin and more”, p.702, e-artnow