They never quite see how large the world is.

When their faith has moved a mountain they thrill with rapture, like the old Hebrew prophets, and it seems to them that they see the dawning of the day "when the glory of the Lord will appear, when the wolf and the lamb will feed together." Blessed illusion, that fires the blood like a generous wine, so that the soldiers of righteousness hurl themselves against the most terrific fortresses, believing that these once taken the war will be ended.
Francis had found such joys in his union with poverty that he held it for proven that one needed only to be a man to aspire after the same happiness, and that the Saracens would be converted in crowds to the gospel of Jesus, if only it were announced to them in all its simplicity.

He therefore quitted Portiuncula for this new kind of crusade.

It is not known from what port he embarked.

It was probably in the autumn of 1212.