For the text of the entire

Mahapunnama Sutta , see Bikkhu Nanamoli and Bikkhu Bodhi (tr.),

The Middle Length Discourses of the Buddha (Wisdom, 1995), pp. 887-91. For a related view of the self, see Derek Parfit’s

Reasons and

(Clarendon Press, 1984).

Jorge Luis Borges describes the work of Tsu’i Pen in his story 'The Garden of Forking Paths’. See his

Collected Fictions (Penguin, 1999), pp. 119-28.

Accessible introductions to the many worlds interpretation are in Nick Herbert’s

Quantum Reality (Doubleday, 1985), pp. 172-5, and Paul Davies’s

Other Worlds (Simon & Schuster, 1980). For an interesting discussion that seeks to dispel some of the philosophical perplexities generated by this interpretation, see chapter 13 of Michael Lockwood’s

Shafi da ba'a sani ba