physician, heal thyself

Calque of Ancient Greek ἰατρέ, θεράπευσον σεαυτόν (iatré, therápeuson seautón) and Latin medice, cūrā tē ipsum, from Luke 4:23.

• "“You are really as bad as Margaret,” she declared. “There is nothing the matter with me. You talk of ‘curing’ me as though I were ill. Physician, heal thyself.”"

• doctor, heal thyself

• charity begins at home
• cobbler, keep to your last