Todays quotation is from The case of the Constant Suicides by John Dickson Carr.
“We now come to the problem of Forbes murder,” he went on, “and how the murderer managed to leave behind him a room locked on the inside. Mr Duncan, do you know anything about geometry?”
“I hasten to say, ” explained Dr. Fell, “that I know little of what I was once compelled to learn, and wish to know less. It belongs to the limbo of school days, along with algebra and economics and other dismal things. Beyond being unable to forget that the square of the hypotenuse is equal to the sum of the square of the two other sides, I have happily been able to rid my mind of this gibberish.”
From The case of the Constant Suicides by John Dickson Carr