וקמו שבע שני רעב ואחריהן ונשכח כל השבע בארץ מצרים
When Yosef described the sorry state of affairs during the years of hunger, he said that the hunger would be so devastating that no one would be able to recollect the previous wonderful years of abundance. This was represented by the seven lean cows swallowing up the seven healthy cows in such a manner that the presence of the seven healthy cows would not even be a memory. They would be gone, disappeared, as if they had never existed. Ramban suggests that Yosef was alluding to Pharaoh that the years of famine would be no ordinary famine, where one can…
