Some, however, question whether 11:1 does define faith.371 Rhetorically, a good definition should state “the full meaning and character of a thing lucidly” (Rhet. ad Her. 4.25.35), yet scholars debate the meaning of “assurance” and find it peculiar that faith is not said to be based on proof, but to be a form of proof (NOTES on 11:1). Moreover, an apt definition should state the meaning “briefly,” so that “to express it in more words seems superfluous and to express it in fewer is considered impossible” (Rhet.