I have been told that he knows more about explosives than any other man living." "Quite right--he does.

What then ?" "An explosion has taken place producing the most remarkable results.
They say that neither dynamite nor any other known force could have had such an effect on metals and minerals as this power has had." "Ah, dynamite is a toy for children!" cried the old man, opening the door a little further and exhibiting an interest which had, up to that moment, been absent from his manner.

"Well, where did this explosion take place?
Do you wish me to go and see it ?" "Perhaps so, later on.

At present I wish to show you some of its effects, but I don't propose to do this standing here in the passageway." "Quite right--quite right," hastily ejaculated the old scientist, throwing the door wide open.

"Of course, I am not accustomed to visits from fashionable young ladies, and I thought at first there had been a mistake; but if you have any real scientific problem, I shall be delighted to give my attention to it.