While physical training has some value, the benefits of godliness are unlimited, since it holds out promise not only for this life but also for the life to come.
Let no one regard you with contempt because of your youth, but serve as an example to the believers in your speech and conduct, in your love, your faith, and your purity.
Be strong and courageous. Do not be afraid or terrified of them, for the Lord, your God, is going forth with you. He will never leave you or abandon you.