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Be hard on yourself, easy on others. – Al-Shafi‘i
The heartbrokenness of the sinner is better than the forcefulness of the obedient – Abu Madyan
As there is no darkness in the moonlight. So is Mustafa (Muhammad), the well wisher, bright. – Abu Bakr
When the inward is good the outward is also inevitably so, for the outward always follows the inward, whether good or evil. – Abdullah ibn Alawi al-Haddad