To win a war is as disasterous as to lose one.

The human mind prefers to be spoon-fed with the thoughts of others, but deprived of such nourishment it will, reluctantly, begin to think for itself - and such thinking, remember, is original thinking and may have valuable results.

Curious things, habits. People themselves never knew they had them. [Witness for the Prosecution, also published in The Hound of Death and Other Stories.]

God bless my soul, woman, the more personal you are the better! This is a story of human beings - not dummies! Be personal - be prejudiced - be catty - be anything you please! Write the thing your own way. We can always prune out the bits that are libellous afterwards!

A mother's love for her child is like nothing else in the world. It knows no law, no pity, it dares all things and crushes down remorselessly all that stands in its path.

I have wanted . . . to commit a murder myself. I recognized this as the desire of the artist to express himself! . . . But-incongruous as it may seem to some-I was restrained and hampered by my innate sense of justice. The innocent must not suffer.

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.