For during the year that elapsed before he left Swabia (and whilst he sojourned at Neuburg and Ulm), and amidst his geometrical studies, he would fain have gathered some knowledge of the mystical wisdom attributed to the Rosicrucians; but the Invisibles, as they called themselves, kept their secret.
For some time afterwards he lived at home, reading romantic and poetical literature, but in 1811 he set out for Italy, where he seems to have sojourned nearly two years.
North Arabian influence must also have been strong among the Israelites, at least while they sojourned in North Arabia.
On the banks of the Passaic is a house having as a part of its walls the old walls of Cockloft Hall, in which Washington Irving frequently sojourned, and of which he gave a charming description in Salmagundi.
About the same time, or a little later (in the reign of Saladin), it believes that Hermon was colonized by a population of 15,000 Hira and Yemenite Arabs, who had sojourned awhile in Hauran.