“I often wonder why the whole world is so prone to generalise. Generalisations are seldom if ever true and are usually utterly inaccurate.”

“I daresay idle tittle-tattle is very wrong and unkind, but it is so often true, isn't it.”

“At my time of life, one knows that the worst is usually true.”

“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.”

“If you confront anyone who has lied with the truth, he will usually admit it - often out of sheer surprise. It is only necessary to guess right to produce your effect.”

“Truth is seldom romantic.”

“A murderer is seldom content with one crime.”