"You do not comprehend. It is not the victim who concerns me so much. It is the effect on the character of the slayer." "What about war?" "In war you… - Agatha Christie

Mademoiselle, I beseech you, do not do what you are doing.” “Leave dear Linnet alone, you mean!” “It is deeper than that. Do not open your heart to evil.” Her lips fell apart; a look of bewilderment came into her eyes. Poirot went on gravely: “Because — if you do — evil will come…Yes, very surely evil will come…It will enter in and make its home within you, and after a little while it will no longer be possible to drive it out.

‘Truth of it is,’ said Commander Haydock, steering rather erratically round a one-way island and narrowly missing collision with a large van, ‘when the beggars are right, one remembers it, and when they’re wrong you forget it.’

There is always a brave new world,” said Poirot, “but only, you know, for very special people. The lucky ones. The ones who carry the making of that world within themselves.