Notes from Wikiquote
As quoted in Divine Harmony: The Life and Teachings of Pythagoras by John Strohmeier and Peter Westbrook. (1999) ISBN 0-9653774-5-8
Variants
Honor first the immortal gods, in the manner prescribed, and respect the oath.
Next, honor the reverent heroes and the spirits of the dead by making the traditional sacrifices.
Honor your parents and your relatives. As for others, befriend whoever excels in virtue.
Yield to kind words and helpful deeds, and do not hate your friend for a trifling fault as you are able. For ability is near to necessity.