The ark, in which Noah along with his wife, sons, daughters-in-law, and the animals that God commanded to enter were preserved from the flood, serves as a powerful symbol of the Church, the wandering assembly of God in this present age, which attained salvation through the tree on which the mediator between God and humanity, the man Christ Jesus, was crucified (1 Tim. 2:5). The dimensions of the ark—its length, height, and breadth—represent the human body. The Promised One, clothed in the true essence of this body, came to humanity, and indeed He did. The length of a human body, measured from the forehead to the soles of the feet, is six times its height, measured from the back to the abdomen.
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Alternatively, if one measures a person lying down, the total length from head to toe is six times the width of his chest, and ten times the measurement from the ground to his height. Correspondingly, the ark was constructed to be three hundred cubits long, fifty cubits wide, and thirty cubits high. The door on its side symbolizes the wound inflicted on the side of the crucified Savior by a spear (John 19:34); through this entrance, those who approach Him are welcomed, for from it flow the sacraments that sanctify the faithful. Furthermore, the instruction for the ark to be built from square timber illustrates the unwavering nature of the saints in all matters: regardless of how the square is positioned, it remains steadfast. Similarly, all details concerning the design of the ark convey truths that relate to the Church.