Agatha Christie, The A.B.C. Murders Quotes

In fact there is only your own instinct?Not instinct, Hastings. Instinct is a bad word. It is my knowledge-my experience-that tells me that something about that letter is wrong-

Women were very queer. Unexpectedly cruel and unexpectedly kind.

A man in drink can be like a ravening wolf.

Speech, so a wise old Frenchman said to me once, is an invention of man's to prevent him from thinking. It is also an infallible means of discovering that which he wishes to hide.