541 Bollansée (1999: 235-36) rightly insists that the Greek be construed such; the one issuing these instructions is Pythagoras, not the soul of Kalliphon ( pace Thackeray, Reinach et al.). Pythagoras was the source for heterogeneous and famously cryptic instructions or prohibitions, termed σύμβολα. Their interpretation was the topic of much debate, reverent or otherwise (e.g., Porphyry, Vit. Pyth. 41-44; Plutarch, Mor. 727b-730f).