Clemens met him at Baden-Baden, and they immediately set out on a tramp through the Black Forest, excursioning as pleased them, and having an idyllic good time. They did not always walk, but they often did. At least they did sometimes, when the weather was just right and Clemens's rheumatism did not trouble him. But they were likely to take a carriage, or a donkey-cart, or a train, or any convenient thing that happened along. They did not hurry, but idled and talked and gathered flowers, or gossiped with wayside natives and tourists, though always preferring to wander along together, beguiling the way with discussion and speculation and entertaining tales. They crossed on into Switzerland in due time and considered the conquest of the Alps. The family followed by rail or diligence, and greeted them here and there when they rested from their wanderings. Mark Twain found an immunity from attention in Switzerland, which for years he had not known elsewhere. His face was not so well known and his pen-name was carefully concealed.

It was a large relief to be no longer an object of public curiosity; but Twichell, as in the Bermuda trip, did not feel quite honest, perhaps, in altogether preserving the mask of unrecognition. In one of his letters home he tells how, when a young man at their table, he was especially delighted with Mark Twain's conversation, he could not resist taking the young man aside and divulging to him the speaker's identity.

“I could not forbear telling him who Mark was,” he says, “and the mingled surprise and pleasure his face exhibited made me glad I had done so.”

They climbed the Rigi, after which Clemens was not in good walking trim for some time; so Twichell went on a trip on his own account, to give his comrade a chance to rest. Then away again to Interlaken, where the Jungfrau rises, cold and white; on over the loneliness of Gemimi Pass, with glaciers for neighbors and the unfading white peaks against the blue; to Visp and to Zermatt, where the Matterhorn points like a finger that directs mankind to God. This was true Alpine wandering—sweet vagabondage.

The association of the wanderers was a very intimate one. Their minds were closely attuned, and there were numerous instances of thought—echo-mind answering to mind—without the employment of words. Clemens records in his notes:

And again:

Such entries are frequent, and one day there came along a kind of object-lesson. They were toiling up a mountainside, when Twichell began telling a very interesting story which had happened in connection with a friend still living, though Twichell had no knowledge of his whereabouts at this time. The story finished just as they rounded a turn in, the cliff, and Twichell, looking up, ended his last sentence, “And there's the man!” Which was true, for they were face to face with the very man of whom he had been telling.

Another subject that entered into their discussion was the law of accidents. Clemens held that there was no such thing as an accident: that it was all forewritten in the day of the beginning; that every event, however slight, was embryonic in that first instant of created life, and immutably timed to its appearance in the web of destiny. Once on their travels, when they were on a high bank above a brawling stream, a little girl, who started to run toward them, slipped and rolled under the bottom rail of the protecting fence, her feet momentarily hanging out over the precipice and the tearing torrent below. It seemed a miraculous escape from death, and furnished an illustration for their discussion. The condition of the ground, the force of her fall, the nearness of the fatal edge, all these had grown inevitably out of the first great projection of thought, and the child's fall and its escape had been invested in life's primal atom.

The author of A Tramp Abroad tells us of the rushing stream that flows out of the Arcadian sky valley, the Gasternthal, and goes plunging down to Kandersteg, and how he took exercise by making “Harris” (Twichell) set stranded logs adrift while he lounged comfortably on a boulder, and watched them go tearing by; also how he made Harris run a race with one of those logs. But that is literature. Twichell, in a letter home, has preserved a likelier and lovelier story:

Then generalizing, Twichell adds:

The days were not all sunshine. Sometimes it rained and they took shelter by the wayside, or, if there was no shelter, they plodded along under their umbrellas, still talking away, and if something occurred that Clemens wanted to put down they would stand stock still in the rain, and Twichell would hold the umbrella while Clemens wrote—a good while sometimes—oblivious to storm and discomfort and the long way yet ahead.

After the day on Gemmi Pass Twichell wrote home:

In an address which Twichell gave many years later he recalls another pretty incident of their travels. They had been toiling up the Gorner Grat.

The matter of religion came up now and again in the drift of their discussions. It was Twichell's habit to have prayers in their room every night at the hotels, and Clemens was willing to join in the observances. Once Twichell, finding him in a responsive mood—a remorseful mood—gave his sympathy, and spoke of the larger sympathy of divinity. Clemens listened and seemed soothed and impressed, but his philosophies were too wide and too deep for creeds and doctrines. A day or two later, as they were tramping along in the hot sun, his honesty had to speak out.

“Joe,” he said, “I'm going to make a confession. I don't believe in your religion at all. I've been living a lie right straight along whenever I pretended to. For a moment, sometimes, I have been almost a believer, but it immediately drifts away from me again. I don't believe one word of your Bible was inspired by God any more than any other book. I believe it is entirely the work of man from beginning to end—atonement and all. The problem of life and death and eternity and the true conception of God is a bigger thing than is contained in that book.”

So the personal side of religious discussion closed between them, and was never afterward reopened.

They joined Mrs. Clemens and the others at Lausanne at last, and their Swiss holiday was over. Twichell set out for home by way of England, and Clemens gave himself up to reflection and rest after his wanderings. Then, as the days of their companionship passed in review, quickly and characteristically he sent a letter after his comrade: