You can't be trusted for a moment

All this time, Edith remained at the dark window looking out into the street. When she and her mother were at last left alone, she moved from it for the first time that evening, and came opposite to her. The yawning, shaking, peevish figure of the mother, with her eyes raised to confront the proud erect form of the daughter, whose glance of fire was bent downward upon her, had a conscious air upon it, that no levity or temper could conceal. 'I am tired to death,' said she. 'You can't be trusted for a moment. You are worse than a child. Child! No child would be half so obstinate and undutiful.' 'Listen to me, mother,' returned Edith, passing these words by with a scorn that would not descend to trifle with them. 'You must remain alone here until I return.' 'Must remain alone here, Edith, until you return!' repeated her mother. 'Or in that name upon which I shall call to-morrow to witness what I do, so falsely: and so shamefully, I swear I will refuse the hand of this man in the church. If I do not, may I fall dead upon the pavement!' The mother answered with a look of quick alarm, in no degree diminished by the look she met. 'It is enough,' said Edith, steadily, 'that we are what we are. I will have no youth and truth dragged down to my level. I will have no guileless nature undermined, corrupted, and perverted, to amuse the leisure of a world of mothers. You know my meaning. Florence must go home.' 'You are an idiot, Edith,' cried her angry mother. 'Do you expect there can ever be peace for you in that house, till she is married, and away?' 'Ask me, or ask yourself, if I ever expect peace in that house,' said her daughter, 'and you know the answer.