The bazaar was seething. It seemed impossible that two more people should penetrate the throng of beggars, pilgrims, traders, slave-women, water-sellers, hawkers of dates and sweetmeats, leather-gaitered country-people carrying bunches of hens head-downward, jugglers’ touts from the market-place, Jews in black caftans and greasy turbans, and scrofulous children reaching up to the high counters to fill their jars and baskets. But every now and then the Arab “Look out!” made the crowd divide and flatten itself against the stalls, and a long line of donkeys loaded with water-barrels or bundles of reeds, a string of musk-scented camels swaying their necks like horizontal question marks, or a great man perched on a pink-saddled mule and followed by slaves and clients, swept through the narrow passage without other peril to the pedestrians than that of a fresh exchange of vermin.

As the two young men drew back to make way for one of these processions, Willard Bent lifted his head and looked at his friend with a smile. “That’s what Mr. Blandhorn says we ought to remember — it’s one of his favourite images.”

“What is?” asked Harry Spink, following with attentive gaze the movements of a young Jewess whose uncovered face and bright head-dress stood out against a group of muffled Arab women.

Instinctively Willard’s voice took on a hortatory roll.

“Why, the way this dense mass of people, so heedless, so preoccupied, is imperceptibly penetrated — ”

“By a handful of asses? That’s so. But the asses have got some kick in ’em, remember!”

The missionary flushed to the edge of his fez, and his mild eyes grew dim. It was the old story: Harry Spink invariably got the better of him in bandying words — and the interpretation of allegories had never been his strong point. Mr. Blandhorn always managed to make them sound unanswerable, whereas on his disciple’s lips they fell to pieces at a touch. What was it that Willard always left out?

A mournful sense of his unworthiness overcame him, and with it the discouraged vision of all the long months and years spent in the struggle with heat and dust and flies and filth and wickedness, the long lonely years of his youth that would never come back to him. It was the vision he most dreaded, and turning from it he tried to f............