LESS—FEWER
Less refers is quantity, fewer to number. "No man has less virtues" should be "No man has fewer virtues." "The farmer had some oats and a fewer quantity of wheat" should be "the farmer had some oats and a less quantity of wheat."
Less refers is quantity, fewer to number. "No man has less virtues" should be "No man has fewer virtues." "The farmer had some oats and a fewer quantity of wheat" should be "the farmer had some oats and a less quantity of wheat."