In these lay a great multitude of those who were sick, blind, lame, or paralyzed, waiting for the moving of the water;

 The man stands for the people of Israel. The five porches stand for the five books of the law. In the porches the people lay ill. The law could show a man his sin, but could never mend it; the law could uncover a man's weakness, but could never cure it. The law, like the porches, sheltered the sick soul but could never heal it. The thirty-eight years stand for the thirty-eight years in which the Jews wandered in the desert before they entered the promised land; or for the number of the centuries men had been waiting for the Messiah. The stirring of the waters stands for baptism. In point of fact in early Christian art a man is often depicted as rising from the baptismal waters carrying a bed upon his back. 