According to the writing of Julius Sperber in 1615, the wisdom handed down by Christian Rosenkreuz becomes an ancient secret doctrine dating back to the earliest biblical times. After the Fall, Adam retained in his memory something of the godly wisdom that he had known previously.
This wisdom was incorporated in a teaching which, by way of Noah and the patriarchs, was passed down to Zoroaster, the Chaldeans, the Persians, and the Egyptians and was preserved by the Jewish Qabalah.
A new epoch began with Christ, who showed all men the way to eternal bliss, but reserved for the chosen few the knowledge of the way to divine wisdom. Later this wisdom was almost lost, except in heathen lands; but a few, very few Christians found it. They include according to Sperber, Cornelius Agrippa, Johannes Reuchlin, Marsilio Ficino, Pico della Mirandola, and Aegidius Gutman. Sperber sees the Rosicrucians as heirs to their wisdom.
The Secret behind The Secret