text: If he doubts of this let him go to Egypt , and there he will find the fields swarming with mice , begot of the mud of Nylus , to the great calamity of the inhabitants . ''
simplified: If he doubts of this let him go to Egypt , and there he will find the fields swarming with mice , begot of the mud of Nylus , to the great calamity of the inhabitants '' .