Unus pro omnibus, omnes pro uno

It is the unofficial motto of Switzerland, and the attitude is epitomized in the character of legendary Swiss hero Arnold von Winkelried.

In the novel, it was the motto of a group of French musketeers named Athos, Porthos, Aramis and d'Artagnan who stayed loyal to each other through thick and thin.

[2][3] On November 30, 2002, in an elaborate but solemn procession, six Republican Guards carried the coffin of Dumas from its original interment site in the Cimetière de Villers-Cotterêts in Aisne to the Panthéon.

[9][10][11][12][13] A part of the phrase in the Romanian language, Toți în unu ("All in One"), was briefly used as the motto of the United Principalities of Moldavia and Wallachia (a predecessor of modern Romania) between 1862 and 1866, when it was replaced by Nihil sine Deo ("Nothing without God").

[15] Manga artist Kōhei Horikoshi uses the two halves of the phrase within his series My Hero Academia to represent two opposing superpowers (known in their respective universe as Quirks).