Strange indeed is human nature. Here were these men, to whom murder was familiar, who again and again had struck down the father of the family, some man against whom they had no personal feeling, without one thought of compunction or of compassion for his weeping wife or helpless children, and yet the tender or pathetic in music could move them to tears.

On general principles, it is best that I should not leave the country. Scotland Yard feels lonely without me, and it causes an unhealthy excitement among the criminal classes.

Love has been taken away from the poets, and has been brought within the domain of true science. It may prove to be one of the great cosmic elementary forces. When the atom of hydrogen draws the atom of chlorine towards it to form the perfected molecule of hydrochloric acid, the force which it exerts may be intrinsically similar to that which draws me to you. Attraction and repulsion appear to be the primary forces. This is attraction.

To let the brain work without sufficient material is like racing an engine. It racks itself to pieces.

Goresthorpe Grange is a feudal mansion - or so it was termed in the advertisement which originally brought it under my notice. Its right to this adjective had a most remarkable effect upon its price, and the advantages gained may possibly be more sentimental than real. Still, it is soothing to me to know that I have slits in my staircase through which I can discharge arrows; and there is a sense of power in the fact of possessing a complicated apparatus by means of which I am enabled to pour molten lead upon the head of the casual visitor.

It is not my intention to be fulsome, but I confess that I covet your skull.

What the deuce is it to me?" he interrupted impatiently: "you say that we go round the sun. If we went round the moon it would not make a pennyworth of difference to me or to my work.