The Python function "decode(message_file)" can read numbers from column one of a .txt file and return the decoded message in column two as a string. The function achieves this by sorting the words in ascending order and constructing a pyramid based on the numbers. It also includes instructions for verification and determining the bases, faces, or lateral faces of a 3D object. Additionally, the function can unravel the wisdom of the builders of the Great Pyramid of Giza through hermetic decoding. The purpose of this function is to help understand the journey of self-discovery through 7 Hermetic Principles.