The very thing that you criticize is the best confirmation of the correctness of the assertions that have been made hitherto, that is, that it reveals what one could not have foreseen in the beginning, namely that in what concerns all human beings without exception nature is not to be blamed for any partiality in the distribution of its gifts, and in re gard to the essential ends of human nature even the highest philosophy cannot advance further than the guidance that nature has also conferred on the most common understanding.