Source

Epidemics

c. late 5th – 4th century BCEHippocratic medicineAncient (before 200 BCE)HippocratesBook

Seven books of case notes and observations on illness in the Hippocratic Corpus. They are traditionally attributed to Hippocrates, though their authorship is uncertain; Book I contains the advice to the physician to help, or at least to do no harm.

References

https://en.wikipedia.org/wiki/Hippocratic_Corpus
https://en.wikipedia.org/wiki/Primum_non_nocere

Quotes (1)

“have two special objects in view with regard to diseases, namely, to do good or to do no harm.”
— Hippocrates, Epidemics, Book I, section 2, tr. Francis Adams (The Genuine Works of Hippocrates, 1849)
Watch on YouTube: CBS Sunday Morning: The Hippocratic Oath ↗CBS Sunday Morning on the Hippocratic Oath
VerifiedsourceMaxim: First, do no harm.Translation: public-domain translation (Francis Adams)