We adhere to the teachings of the Church Universal, including those that were established and taught by the Apostles but (as acknowledged by the Scriptures themselves) passed on by word of mouth and not by writing.
But the Golden Sequence, allowing for poetic license which is found in just about every hymn, does not contradict anything in Scripture. The sevenfold gifts are mentioned by Paul himself.
Your remarks disclose a misunderstanding of the Scriptures, common for Romanists.