With method and logic one can accomplish anything.

Unless you are good at guessing, it is not much use being a detective.

But no artist, I now realize, can be satisfied with art alone. There is a natural craving for recognition which cannot be gain-said.

Who are you? You don't belong to the police?' 'I am better than the police,' said Poirot. He said it without conscious arrogance. It was, to him, a simple statement of fact.

Sitting here with one's knitting, one just sees the facts. -"The Blood-Stained Pavement

We owe most of our great inventions and most of the achievements of genius to idleness either enforced or voluntary.

At the small table, sitting very upright, was one of the ugliest old ladies he had ever seen. It was an ugliness of distinction - it fascinated rather than repelled.