Ayur vittam grha chidram
Mantra maithuna bheshajam !
Tapo dAnAmapamAnam ca
Nava gopyAni yatnatah !!
One shall keep as strictly confidential the following nine matters:
(1) Age (Health)
(2) Wealth
(3) Family Secrets
(4) Mantra
(5) Maithuna
(6) Medicine
(7) Austerities
(8) Philanthropy
(9) Humiliations