Physician, heal thyself (Greek: Ἰατρέ, θεράπευσον σεαυτόν, Iatre, therapeuson seauton), sometimes quoted in the Latin form, Medice, cura te ipsum, is an ancient proverb appearing in Luke 4:23.
There, Jesus is quoted as saying, "Ye will surely say unto me this proverb, 'Physician, heal thyself': whatsoever we have heard done in Capernaum, do also here in thy country.
Similar proverbs with a medical theme appear in other Jewish literature.
(Imperial Aramaic: אסיא אסי חיגרתך) can be found in Genesis Rabbah 23:4 (300–500 CE).
The Greek dramatist Aeschylus refers to one in his Prometheus Bound, where the chorus comments to the suffering Prometheus, "Like an unskilled doctor, fallen ill, you lose heart and cannot discover by which remedies to cure your own disease.