...and the work of the Syrian Pherecydes is preserved, and it begins thus:—'Jupiter, and Time, and Chthon existed externally.' And the name of Cthonia became Tellus, after Jupiter gave it to her as a reward. A sun-dial is also preserved, in the island of Syra, of his making." "PHERECYDES TO THALES. ...Accordingly, I have charged my servants to convey this book of mine to you, after they have buried me. And do you, if you think fit, after consulting with the other wise men, publish it; but if you do not approve of doing so, then keep it unpublished, for I am not entirely pleased with it myself. The subject is not one about which there is any certain knowledge, nor do I undertake to say that I have arrived at the truth; but I have advanced arguments, from which any one who occupies himself with speculations on the divine nature, may make a selection; and as to other points, he must exercise his intellect, for I speak obscurely throughout. — Diogenes Laertius, *Lives*, Book I, Pherecydes VI & VIII (trans. C. D. Yonge, 1853) **Surface Gloss:** Pherecydes opens the first Greek prose treatise on the gods with three ungenerated principles—Jupiter (Zas), Time (Chronos), and Chthon (who becomes Earth/Tellus when rewarded by Jupiter)—and tells Thales he wrote obscurely so readers must exercise their own intellect. **The Pherecydes Filter (Deliberate Incompleteness):** When transmitting high-level strategic or creative frameworks where rote copying is dangerous, deliberately leave controlled gaps and enigmas in the documentation ("I speak obscurely throughout"). Provide the foundational axioms (the Triad), but force the reader to supply the connective logic themselves—filtering out passive consumers who want a turnkey recipe and selecting for thinkers who can actually run the system.
— In our words · Source: Lives of Eminent Philosophers (Diogenes Laertius)