“If thing is as clear as daylight, mistrust it! someone has made it so!”

“Real evidence is usually vague and unsatisfactory. It has to be examined---sifted. But here the whole thing is cut and dried. No, my friend, this evidence has been very cleverly manufactured---so cleverly that it has defeated its own ends.”

“I'm sorry, but I do hate this differentiation between the sexes. 'The modern girl has a thoroughly businesslike attitude to life' That sort of thing. It's not a bit true! Some girls are businesslike and some aren't. Some men are sentimental and muddle-headed, others are clear-headed and logical. There are just different types of brains.”

“There are more important things than finding the murderer. And justice is a fine word, but it is sometimes difficult to say exactly what one means by it. In my opinion, the important thing is to clear the innocent. - Hercule Poirot”

“Ah, mais c'est Anglais ca," he murmured, "everything in black and white, everything clear cut and well defined. But life, it is not like that, Mademoiselle. There are things that are not yet, but which cast their shadow before.”

“It is clear that the books owned the shop rather than the other way about. Everywhere they had run wild and taken possession of their habitat, breeding and multiplying, and clearly lacking any strong hand to keep them down.”

“Inside, it was clear that the books owned the shop rather than the other way about. Everywhere they had run wild and taken possession of their habitat, breeding and multiplying and clearly lacking any strong hand to keep them down.”