They say that genius is an infinite capacity for taking pains," he remarked with a smile. "It's a very bad definition, but it does apply to detective work.
Let every man abide in the calling wherein he is called and his work will be as sacred as the work of the ministry. It is not what a man does that determines whether his work is sacred or secular, it is why he does it.
The ideal teacher guides his students but does not pull them along; he urges them to go forward and does not suppress them; he opens the way but does not take them to the place.