We should not speak so that it is possible for the audience to understand us, but so that it is impossible for them to misunderstand us.

Quare non ut intellegere possit sed ne omnino possit non intellegere curandum.

Original text (Latin)

Notes from Wikiquote

Book VIII, Chapter II, 24

In Hoyt's New Cyclopedia Of Practical Quotations (1922)

Quote text and notes from Wikiquote: Quintilian (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.