"The Enemy will be working from the centre outwards, gradually bringing more and more of the patient's conduct under the new standard..."

"When two humans have lived together for many years it usually happens that each has tones of voice and expressions of face which are almost unendurably irritating to the other."
"Let him assume that she knows how annoying it is and does it to annoy - if you know your job he will not notice the immense improbability of the assumption."
The Prodigal Son

"In civilised life domestic hatred usually expresses ifself by saying things which would appear quite harmless on paper (the words are not offensive) but in such a voice, or at such a moment, that they are not far short of a blow in the face."

"Hence from every quarrel they can both go away convinced, or very nearly convinced, that they are quite innocent."

"Remember the elder brother in the Enemy's story?"