Do you know anything on earth which has not a dangerous side if it is mishandled and exaggerated?

'It is my duty to warn you that it will be used against you,' cried the Inspector, with the magnificent fair play of the British criminal law.

I have already explained to you that what is out of the common is usually a guide rather than a hindrance.

Never trust to general impressions, my boy, but concentrate yourself upon details.

From a drop of water a logician could infer the possibility of an Atlantic or a Niagara without having seen or heard of one or the other.

Am dining at Goldini's Restaurant, Gloucester Road, Kensington. Please come at once and join me there. Bring with you a jemmy, a dark lantern, a chisel, and a revolver. S. H." It was a nice equipment for a respectable citizen to carry through the dim, fog-draped streets.

You see, but you do not observe.