Anthony Hope 
The Prisoner of Zenda 

'I wonder when in the world you’re going to do anything, Rudolf?’ said my brother’s wife.
'My dear Rose, ’ I answered, laying down my egg-spoon, 'why in the world should I do anything? My position is a comfortable one. I have an income nearly sufficient for my wants (no one’s income is ever quite sufficient, you know), I enjoy an enviable social position: I am brother to Lord Burlesdon, and brother-in-law to that charming lady, his countess. Behold, it is enough!’
'You are nine-and-twenty, ’ she observed, 'and you’ve done nothing but-’
'Knock about? It is true. Our family doesn’t need to do things.’