truth the whole truth and nothing but the truth
truth, the whole truth, and nothing but the truth. The words used in the common oath administered to a witness who is about to testify (do you swear or affirm that you shall tell the truth, the whole truth and nothing but the truth?). • The purpose of the second part of the oath is to preclude the possibility of suppressio veri; the purpose of the third part is to preclude the possibility of suggestio falsi. See SUPPRESSIO VERI; SUGGESTIO FALSI.
