Pārāyanavagga

Suttapiṭaka · Khuddakanikāya · Cūḷaniddesa · Vol. 30 · Section 8

[8] If, when I beg, the venerable one will not give, then on the seventh day may your head split into seven pieces.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.