own very pronounced limitations," said Challenger, severely. "The true scientific mind is not to be tied down by its own conditions of time and space. It builds itself an observatory erected upon the border line of present, which separates the infinite past from the infinite future. From this sure post it makes its sallies even to the beginning and to the end of all things. As to death, the scientific mind dies at its post working in normal and methodic fashion to the end. It disregards so petty a thing as its own physical dissolution as completely as it does all other limitations upon the plane of matter. Am I right, Professor Summerlee?"
Summerlee grumbled an ungracious assent.
"With certain reservations, I agree," said he.
"The ideal scientific mind," continued Challenger—"I put it in the third person rather than appear to be too self-complacent—the ideal scientific mind should
