The Questions of King Milinda
Book 4: The solving of dilemmas
Chapter 3
5.3.3. The Secrets Of A Tathāgata
[This dilemma treats of one of the thirty bodily signs of a ‘great man’ (Mahāpurusha) supposed to be possessed by every Tathāgata, but as it deals with matters not usually spoken of in this century, it is best read in the original.]