He who thus knows the Yagñâyagñîya, as interwoven in the members of the body, becomes possessed of strong limbs, he is not crippled in any limb, he reaches the full life, he lives long, becomes great with children and cattle, great by fame. His rule is, 'Do not eat marrow for a year,' or 'Do not eat marrow at all.'

In plain words: Whoever understands this chant in the body gets strong, whole limbs, lives long, and gains family, wealth and fame. The rule is: do not eat marrow for a year, or do not eat it at all.