time rushing up against you, something urgent to be done, eh?"
"He could dose his private secretary," I said.
"And gain—double time. And think if you, for example, wanted to finish a book."
"Usually," I said, "I wish I'd never begun 'em."
"Or a doctor, driven to death, wants to sit down and think out a case. Or a barrister—or a man cramming for an examination."
"Worth a guinea a drop," said I, "and more—to men like that."
"And in a duel, again," said Gibberne, "where it all depends on your quickness in pulling the trigger."
"Or in fencing," I echoed.
"You see," said Gibberne, "if I get it as an all-round thing, it will really do you no harm at all—except perhaps to an infinitesimal degree it brings you nearer old age. You will just have lived twice to other people's once——"
"I suppose," I meditated, "in a duel—it would be fair?"
"That's a question for the seconds," said Gibberne.
I harked back further. "And you really think such a thing is possible?" I said.
"As possible," said Gibberne, and glanced at something that went throbbing by the window, "as a motor-bus. As a matter of fact——"
He paused and smiled at me deeply, and tapped slowly on the edge of his desk with the green phial. "I think I know the stuff.... Already I've got something coming." The nervous smile upon his face betrayed the gravity of his revelation. He rarely talked of his actual experimental work unless things were very near the end. "And it may be, it may be—I shouldn't be