A while back, I returned a shirt to the store. Although I didn’t have my paper receipt, I had the card I used to purchase the shirt. My card enabled them to look up the receipt.
The purpose of a receipt is to provide a record of your past activity.
You should keep a record of God’s activity in your life.
Keep a record of how God has answered your prayers, met your needs, and healed your hurts. If you keep your receipts, you’ll see that God has been good to you.