“My dear Watson, you as a medical man are continually gaining light as to the tendencies of a child by the study of the parents. Don't you see that the converse is equally valid. I have frequently gained my first real insight into the character of parents by studying their children.”—Sherlock Holmes, “The Adventure of the Copper Beeches”

“The most serious point in the case is the disposition of the child."What on earth has that to do with it?" I ejaculated.My dear Watson, you as a medical man are continually gaining insight as to the tendencies of a child by the study of the parents. Don't you see that the converse is equally valid. I have frequently gained my first real insight into the character of parents by studying their children.”

“My dear fellow, you may laugh, but I give you my word that I shall be very glad to have you back safe and sound in Baker Street once more.- Holmes, to Watson.”

“you know a conjurer gets no credit when once he has explained his trick and if I show too much of my method of working, you will come to the conclusion that I am a very ordinary individual after all." -Sherlock Holmes”

“Watson: When do we start?Holmes: You are not coming.Watson: Then you are not going. I give you my word of honour - and I never broke it in my life - that I will take a cab straight to the police station and give you away unless you let me share this adventure with you.”

“I am lost without my Boswell.[Sherlock Holmes on Dr. Watson.]”

“You would not call me a marrying man, Watson?""No, indeed!""You'll be interested to hear that I'm engaged.""My dear fellow! I congrat-""To Milverton's housemaid.""My dear Holmes!""I wanted information, Watson.”