Unexpected guests In Science and Civilization in China, British scholar Joseph Needham notes that apart from the Babylonians, most of whose records have been lost, in the ancient world the Chinese were the most persevering and accurate observers of the skies prior to the Arabs.
意外的訪客英國學者李約瑟在《中國之科學與文明》書中說：上古天文，除巴比倫的紀錄大都失散，中國的紀錄顯示中國天文學家是阿拉伯人以前世界最堅毅持久且準確的天象觀測者。