‘I see…Yes, I see now a lot of things.’
‘It’s about time,’ said Mrs Oliver.
‘I said it was about time,’ said Mrs Oliver. ‘That you did see things, I mean. Up to now you don’t seem to have done anything.’ Her voice held reproach.
‘One cannot arrive at things all in a moment,’ said Poirot, defending himself. ‘The police,’ he added, ‘have been completely baffled.’
‘Oh, the police,’ said Mrs Oliver. ‘Now if a woman were the head of Scotland Yard…’
Recognizing this well-known phrase, Poirot hastened to interrupt.
One of Ariadne's best lines from Cards on the Table and I love that she maintains her convictions in this one.