Digha Nikaya (Coleção dos Discursos Longos) 1:149
SUJATOKiṁ te, sāriputta, ye te ahesuṁ atītamaddhānaṁ arahanto sammāsambuddhā, sabbe te bhagavanto cetasā ceto paricca viditā:
What about all the perfected ones, the fully awakened Buddhas who lived in the past? Have you encompassed their minds to know that