The Truth Often Does Sound

I Don't Think Necessity Is The Mother Of Invention. Invention, In My Opinion, Arises Directly From Idleness, Possibly Also From Laziness - To Save Oneself Trouble.

It Often Seems To Me That's All Detective Work Is, Wiping Out Your False Starts And Beginning Again." Yes, It Is Very True, That. And It Is Just What Some People Will Not Do. They Conceive A Certain Theory, And Everything Has To Fit Into That Theory. If One Little Fact Will Not Fit It, They Throw It Aside. But It Is Always The Facts That Will Not Fit In That Are Significant.

Evil Is Not Any Superhuman, But It Is Human.

Books Are A Habit-forming Drug.

The Detective's Highest Talent Lay In The Gentle Art Of Seeking Favours Under The Guise Of Conferring Them!