Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Paticchanna Sutta
Paticchanna Sutta:Three things which are practised in secret:the ways of women,the chants of brahmins,the views of perverse men; and three others which are there for all to see:the sun,the moon,and the dhamma-vinaya of a Tathāgata.A.i.282.