CURTIS—[Gladly.] Yes, I must go! What would I be for him—or anyone—if I stayed? Thank God, you understand. But I will come back. [The light of an ideal beginning to shine in his eyes.] When he is old enough, I will teach him to know and love a big, free life. Martha used to say that he would take her part in time. My goal shall be his goal, too. Martha shall live again for me in him. And you, Aunt, swear to keep him with you—out there in the country—never to let him know this obscene little world. [He indicates his relatives.]