King James Version
But I keep under my body, and bring it into subjection: lest that by any means, when I have preached to others, I myself should be a castaway.English Standard Version
But I discipline my body and keep it under control, lest after preaching to others I myself should be disqualified.Catholic Public Domain Version
Instead, I chastise my body, so as to redirect it into servitude. Otherwise, I might preach to others, but become myself an outcast