The way to gain a good reputation is to endeavor to be what you desire to appear.
Challenge:
Ask God for the strength to act in a manner that emulates your vision of the best version of yourself. Continue these actions and watch and enjoy the transformation.
Reference:
Obedience. Therefore, gird up the loins of your mind, live soberly, and set your hopes completely on the grace to be brought to you at the revelation of Jesus Christ.
1 Peter 1:13 (NABRE)
