Cross reference
Acts 24:13
13 Nor can they prove to you the things of which they now accuse me.
Acts 25:7
7 When he had come, the Jews who had come down from Jerusalem stood around him, bringing against him many and grievous charges which they could not prove,
1 Peter 3:16
16 having a good conscience; that, while you are spoken against as evildoers, they may be disappointed who curse your good manner of life in Christ.