This speaks about the basic teachings as if they were the beginning of a journey and the mature teachings as if they were the end of a journey. Alternate translation: "let us stop only discussing what we first learned and start understanding more mature teachings as well" (See: [[rc://en/ta/man/translate/figs-metaphor]])
The teachings of the faith are spoken of as if they were a building, and the basic, elementary teachings are the foundation. Alternate translation: "Let us not repeat the basic teachings" (See: [[rc://en/ta/man/translate/figs-metaphor]])