Uthbah replied, "Once, I committed a sin at this place. Today, as I was passing by this place, I remembered that sin."
Source: Obtained from the book "Tambihul Ghafileen" by Shaikh Abul Laith Samarkandi.
Look how pious were the early Muslims. Today, we are committing thousands of sins, yet, we are walking around with happiness and joy as if we have nothing to worry about.