Source, in full
The phrase is frequently attributed to the Crazy Horse, for example in "Setting the Record Straight About Native Languages: A Good Day To Die", and though this is inaccurate as the earliest published reference, in the edition on August 14, 1881 of the Leavenworth Times, attributes it to the Oglala Lakota chief Low Dog (c. 1846 – 1894). The phrase appeared in an interview with Low Dog which was in a newspaper despatch sent from Fort Yates, North Dakota, USA, on 30 July 1881 and published in the Leavenworth Times two weeks later: see