six o'clock
`` There is not a night in this city , not one , when hundreds do not talk like this until the breaking of the day ! And then they sleep ! A little joke ! For at six o'clock they must rise to their work ! And that is a force , '' he added , `` not only for those people but a force for you and me . Do you see ? When you feel tired , when all your hopes are sinking low , you think of those people and you say , ` I will go to their places . '