An ignorant doctor is no better than a murderer

Similar sayings:

Nature is better than a middling doctor Nature is better than a middling doctor
The best doctors are Dr Diet, Dr, Quiet, and Dr Merryman The best doctors are Dr Diet, Dr, Quiet, and Dr Merryman
A young doctor makes a full graveyard A young doctor makes a full graveyard
A single untried popular remedy often throws the scientific doctor into hysterics A single untried popular remedy often throws the scientific doctor into hysterics
Great business is good; to sit and sip this glass is better Great business is good; to sit and sip this glass is better

Chinese sayings and proverbs