1 Timothy 3:10 in the World English Bible
Let them also first be tested; then let them serve if they are blameless.
Context
9 Holding the mystery of the faith in a pure conscience.
10 And let these also first be proved; then let them use the office of a deacon, being found blameless.
11 Even so must their wives be grave, not slanderers, sober, faithful in all things.