The engineer does not forget at night, or his nature does not, that he has beheld this vision of serenity and purity once at least during the day.
He was present at a conversion of this sort, though the miracle beheld by the people was invisible to the missionary.
He there beheld the Culebra and the Chagres; he saw the mountain and the stream, those two greatest obstacles of nature that sought to bar his route.
The next night, however, having dreamt that he beheld Firdousi in paradise dressed in the sacred colour, green, and wearing an emerald crown, he reconsidered his determination; and the poet was henceforth held to be perfectly orthodox.
During this time he became subject to religious emotion and beheld visions which encouraged him to effect his escape.