'Then why—' I began, but stopped.

'Why? Why? Because I detest it is no reason why I should not do it.'

'Yes, it is.'

'What, and at my age begin another?'

'No, no.'

'You would not have me idle?'

'Yes, I would.'

He stared at me gravely through his spectacles. 'This is unprincipled,' he said.

I laughed. It is years since I have observed that the principled groan a good deal and make discontented criticisms of life, and I don't think I care to be one of them.

'It is,' he persisted, seeing that I only laughed.