dˈiːzˈɑːɡtʃən ɪz ðə mˈoʊst klˈoʊsli ɡˈɑːɹdᵻd tˈiːtʃɪŋ ɪn tɪbˈɛtən bˈuːdɪzəm, ʌvwˈɪtʃ ˌɛkɐdʒˈɑːɾi ɪz ɐ mˈeɪn ɡˈɑːɹdiən æz mˈɛnʃənd əbˈʌv.
Dzogchen is the most closely guarded teaching in Tibetan Buddhism, of which Ekajati is a main guardian as mentioned above.