2Tim.2.21Therefore, if anyone cleanses himself from what is dishonorable, he will be a vessel for honorable use, set apart as holy, useful to the master of the house, ready for every good work.
2Tim.4.11Luke alone is with me. Get Mark and bring him with you, for he is very useful to me for ministry.
Phlm.1.11(Formerly he was useless to you, but now he is indeed useful to you and to me.)
Heb.6.7For land that has drunk the rain that often falls on it, and produces a crop useful to those for whose sake it is cultivated, receives a blessing from God.