Abu Bakr as-Siddiq on Sins Quotes Previous Article Abu Bakr as-Siddiq on Realities of the World Next Article Al-Awza'i on the Fool One of the worst sins is a person taking his sin lightly. nasihah (sincere advice) sins Abu Bakr as-Siddiq Previous Article Abu Bakr as-Siddiq on Realities of the World Next Article Al-Awza'i on the Fool