Thief of Time - Best

'A man came knocking,' she said. 'Three times he came, in my life. Last time was, oh, maybe ten days ago. Same man every time. He wanted a midwife-'

'Ten days ago?' said Susan. 'But the boy's at least sixt-' She stopped.

'Ah, you've got it,' said Mrs Ogg. 'I could see you was bright. Time didn't matter to him. He wanted the best midwife. And it was, like, he'd found out about me but got the date wrong, just like you or me could knock on the wrong door. Can you understand what I mean?'

'More than you think,' said Susan.

***

The Thief of Time - p196