"Food" is man's righteous or sinful thoughts, ideologies, teachings that fill his spirit and soul, everything that supports and satisfies man's true or false spiritual or spiritless needs, his spiritual life. 

"Food" righteous is the Wisdom expressed in the unchanging Will of God, in His Word, His Commandments handed down by Melchizedek, the Patriarchs, the Prophets, Christ, the Apostles and all the Righteous, the knowledge and fulfillment of which gives man the true Good of living in righteousness leading to the acquisition of Eternal Life.

"Perishable food" is a symbol of all that is changeable, transitory, all that only temporarily satisfies man's spirit, soul and body, but does not bring him the fruits of righteousness, does not sustain his spiritual life, does not bring him into Eternal Life.

"Food corruptible" is man's chosen for the satiation of his soul, various coming, temporary: art, music, poetry, theater, philosophical ideas, various knowledge, hobbies, which satisfy purely emotional needs.

"Food" false is false religious beliefs, political ideologies, sinful so-called culture of the world, which satisfies, justifies and supports the sinful life of peoples.