“How terrible is wisdom when it brings no profit to the wise.”

“…but it is better to learn wisdom late than never to learn it at all.”

“It is only when you touch the higher that you realize how low we may be among the possibilities of creation.”

“I am somewhat exhausted; I wonder how a battery feels when it pours electricity into a non-conductor?”

“How often have I said to you that when you have eliminated the impossible, whatever remains, however improbable, must be the truth?”

“This fellow will not go wrong again; he is too terribly frightened. Send him to gaol now, and you make him a gaol-bird for life. Besides, it is the season of forgiveness. Chance has put in our way a most singular and whimsical problem, and its solution is its own reward.”

“So swift, silent and furtive were his movements like those of a trained bloodhound picking out a scent, that I could not but think what a terrible criminal he would have made had he turned his energy and sagacity against the law instead of exerting them in its defense.”