Lawrence would say no more, so I decided that I would descend from my high horse, and once more seek out Poirot at Leastways Cottage. 
I thought that Poirot was at Leastways Cottage.
mnli hypothesis: I thought that Poirot was at Leastways Cottage. premise: Lawrence would say no more, so I decided that I would descend from my high horse, and once more seek out Poirot at Leastways Cottage. 