Charak Samhita
अक्रियायां ध्रुवो मृत्युः क्रियायां संशयो भवेत्। एवमाख्याय तस्येदमनुज्ञातः सुहृद्गणैः ॥१७७॥
The physician should win the confidence of these people after clearly stating that the patient will not survive if the treatment with venom is not made, and patient may survive if this treatment is done.
english translation
akriyAyAM dhruvo mRtyuH kriyAyAM saMzayo bhavet। evamAkhyAya tasyedamanujJAtaH suhRdgaNaiH ॥177॥
hk transliteration by Sanscript