Chapter VII. Extract From Porphyry on the Oracles. His Oath of the Truth of His Statements

[PORPHYRY] ‘Sure, then, and steadfast is he who draws his hopes of salvation from this as from the only sure source, and to such thou wilt impart information without any reserve. For I myself call the gods to witness, that I have neither added anything, nor taken away from the meaning of the responses, except where I have corrected an erroneous phrase, or made a change for greater clearness, or completed the metre when defective, or struck out anything that did not conduce to the purpose; so that I preserved the sense of what was spoken untouched, guarding against the impiety of such changes, rather than against the avenging justice that follows from the sacrilege.

‘And our present collection will contain a record of many doctrines of philosophy, according as the gods declared the truth to be; but to a small extent we shall also touch upon the practice of divination, such as will be useful both for contemplation, and for the general purification of life. And the utility which this collection possesses will be best known to as many as have ever been in travail with the truth, and prayed that by receiving the manifestation of it from the gods they might gain relief from their perplexity by virtue of the trustworthy teaching of the speakers.’

After making such preludes, he protests and forewarns against revealing to many what he is going to tell, in the following words:[1]