1 Timothy 3:9 in the World English Bible
holding the mystery of the faith in a pure conscience.
Context
8 Likewise must the deacons be grave, not doubletongued, not given to much wine, not greedy of filthy lucre;
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.