Thought:If you work on your character, you won’t have to work on self-esteem.
Challenge:Do what’s right. The more often you choose to do the right thing, the quicker you evolve yourself into someone you like better.
Reference:put off your old self,e which belongs to your former manner of life and is corrupt through deceitful desires, and to be renewed in the spirit of your minds, and to put on the new self, created after the likeness of God in true righteousness and holiness.
Ephesians 4:22-24 (ESV)