Nevertheless, he did not cease exposing himself to dangers without stint, nay, he actually crossed the river Orexartes (which he himself supposed to be the Tanaïs), put the Scythians to rout, and pursued them for a hundred furlongs, although he was suffering all the while from diarrhoea.
Edition :
Plutarch. Plutarch's Lives. with an English Translation by. Bernadotte Perrin. Cambridge, MA. Harvard University Press. London. William Heinemann Ltd. 1919. 7.