ten o'clock
Isadore is a flame , a kind of a torch in the wilderness . '' `` How does the flame earn his living ? '' `` At first in a sweatshop , '' she replied . `` But he came to my school five nights a week , and at ten o'clock when school was out he went to a little basement café , where he sat at a corner table , drank one glass of Russian tea and studied till they closed at one . Then he went to his room , he told me , and used to read himself to sleep . He slept as a rule four hours . He said he felt he needed it .