Do You Know My Friend

People Who Can Be Very Good Can Be Very Bad Too.

I Am All That There Is Of The Most Real.

Nurses - Nurses, You'm All The Same. Full Of Cheerfulness Over Other People's Troubles.

Unless You Are Good At Guessing, It Is Not Much Use Being A Detective.

Curious Things, Habits. People Themselves Never Knew They Had Them. [witness For The Prosecution, Also Published In The Hound Of Death And Other Stories.]