From:
Milindapañha Milinda's Questions
Buddhavagga Buddha Chapter
6. Vedagūpañha Question on the Experiencer
Rājā āha—The king asked:
“bhante nāgasena, vedagū upalabbhatī”ti? “Venerable Nāgasena, is an experiencer to be found?”
Thero āha—The elder responded:
“paramatthena kho, mahārāja, vedagū nupalabbhatī”ti. “According to ultimate reality, an experiencer is not to be found.”
“Kallosi, bhante nāgasenā”ti. “You are clever, venerable Nāgasena.”
Vedagūpañho chaṭṭho. Question on the Experiencer sixth