I told him about my guide, for I was proud of what I had done, and my vanity for once got the heels of my prudence. At the mention of the five shillings he cried out so loud that I made up my mind I should say nothing of the other two, and was glad he could not see my blushes.

“Was it too much?” I asked, a little faltering.

“Too much!” cries he. “Why, I will guide you to Torosay myself for a dram of brandy. And give you the great pleasure of my company (me that is a man of some learning) in the bargain.”

I said I did not see how a blind man could be a guide; but at that he laughed aloud, and said his stick was eyes enough for an eagle.

“In the Isle of Mull, at least,” says he, “where I know every stone and heather–bush by mark of head. See, now,” he said, striking right and left, as if to make sure, “down there a burn is running; and at the head of it there stands a bit of a small hill with a stone cocked upon the top of that; and it’s hard at the foot of the hill, that the way runs by to Torosay; and the way here, being for droves, is plainly trodden, and will show grassy through the heather.”

I had to own own he was right in every feature, and told my wonder.

“Ha!” says he, “that’s nothing. Would ye believe me now, that before the Act came out, and when there were weepons in this country, I could shoot? Ay, could I!” cries he, and then with a leer: “If ye had such a thing as a pistol here to try with, I would show ye how it’s done.”

I told him I had nothing of the sort, and gave him a wider berth. If he had known, his pistol stuck at that time quite plainly out of his pocket, and I could see the sun twinkle on the steel of the butt. But by the better luck for me, he knew nothing, thought all was covered, and lied on in the dark.

He then began to question me cunningly, where I came from, whether I was rich, whether I could change a five–shilling piece for him (which he declared he had that moment in his sporran), and all the time he kept edging up to me and I avoiding him. We were now upon a sort of green cattle–track which crossed the hills towards Torosay, and we kept changing sides upon that like ancers in a reel. I had so plainly the upper–hand that my spirits rose, and indeed I took a pleasure in this game of blindman’s buff; but the catechist grew angrier and angrier, and at last began to swear in Gaelic and to strike for my legs with his staff.

Then I told him that, sure enough, I had a pistol in my pocket as well as he, and if he did not strike across the hill due south I would even blow his brains out.

He became at once very polite, and after trying to soften me for some time, but quite in vain, he cursed me once more in Gaelic and took himself off. I watched him striding along, through bog and brier, tapping with his stick, until he turned the end of a hill and disappeared in the next hollow. Then I struck on again for Torosay, much better pleased to be alone than to travel with that man of learning. This was an unlucky day; and these two, of whom I had just rid myself, one after the other, were the two worst men I met with in the Highlands.

The Time Traveller (for so it will be convenient to speak of him) was expounding a recondite matter to us. His grey eyes shone and twinkled, and his usually pale face was flushed and animated. The fire burned brightly, and the soft radiance of the incandescent lights in the lilies of silver caught the bubbles that flashed and passed in our glasses. Our chairs, being his patents, embraced and caressed us rather than submitted to be sat upon, and there was that luxurious after-dinner atmosphere when thought roams gracefully free of the trammels of precision. And he put it to us in this way—marking the points with a lean forefinger—as we sat and lazily admired his earnestness over this new paradox (as we thought it:) and his fecundity.

‘You must follow me carefully. I shall have to controvert one or two ideas that are almost universally accepted. The geometry, for instance, they taught you at school is founded on a misconception.’

‘Is not that rather a large thing to expect us to begin upon?’ said Filby, an argumentative person with red hair.

‘I do not mean to ask you to accept anything without reasonable ground for it. You will soon admit as much as I need from you. You know of course that a mathematical line, a line of thickness NIL, has no real existence. They taught you that? Neither has a mathematical plane. These things are mere abstractions.’

‘That is all right,’ said the Psychologist.

‘Nor, having only length, breadth, and thickness, can a cube have a real existence.’

‘There I object,’ said Filby. ‘Of course a solid body may exist. All real things—’

‘So most people think. But wait a moment. Can an INSTANTANEOUS cube exist?’

‘Don’t follow you,’ said Filby.

‘Can a cube that does not last for any time at all, have a real existence?’

Filby became pensive. ‘Clearly,’ the Time Traveller proceeded, ‘any real body must have extension in FOUR directions: it must have Length, Breadth, Thickness, and—Duration. But through a natural infirmity of the flesh, which I will explain to you in a moment, we incline to overlook this fact. There are really four dimensions, three which we call the three planes of Space, and a fourth, Time. There is, however, a tendency to draw an unreal distinction between the former three dimensions and the latter, because it happens that our consciousness moves intermittently in one direction along the latter from the beginning to the end of our lives.’

‘That,’ said a very young man, making spasmodic efforts to relight his cigar over the lamp; ‘that . . . very clear indeed.’

‘Now, it is very remarkable that this is so extensively overlooked,’ continued the Time Traveller, with a slight accession of cheerfulness. ‘Really this is what is meant by the Fourth Dimension, though some people who talk about the Fourth Dimension do not know they mean it. It is only another way of looking at Time. THERE IS NO DIFFERENCE BETWEEN TIME AND ANY OF THE THREE DIMENSIONS OF SPACE EXCEPT THAT OUR CONSCIOUSNESS MOVES ALONG IT. But some foolish people have got hold of the wrong side of that idea. You have all heard what they have to say about this Fourth Dimension?’