"Several incidents in my life have convinced me of spiritual interposition – of the promptings of some beneficent force outside ourselves, which tries to help us where it can."

"The press, Watson, is a most valuable institution, if you only know how to use it."

"Every man has his own secret sorrows, which the world knows not."

"To a great mind, nothing is little."

"The more bizarre a thing is the less mysterious it proves to be. It is only the commonplace that truly puzzles."