Shouldn't I be concerned for Nineveh, that great city, in which are more than one hundred twenty thousand persons who can't discern between their right hand and their left hand; and also much cattle?"
"Sixscore thousand persons who cannot discern between their right and their left hand ..." Efforts to apply these words to the entire population of Nineveh are fruitless, being usually for the purpose of showing that Nineveh, after all, was not "that exceeding great city" which Jonah called it.  The simple and obvious meaning of these words is that there were 120,000 infants and little children in Nineveh.  As Deane said: