Likewise, when someone enjoins another to do good, wishes him to agree with him in doing so, or forbids him from something, he needs to show that person kindness in a way that achieves the intended aim: bringing about what is desired and warding off what is disliked. For souls cannot bear bitterness without some sweetness; there is no other way.
For this reason, Allah Most High commanded that hearts be won over, even assigning a share of zakat to those whose hearts are to be reconciled. Allah Most High said to His Prophet, peace and blessings be upon him:
“Be forgiving, enjoin what is right, and turn away from the ignorant.”
Surah al-Aʿrāf, 199
And Allah Most High said:
“And encourage one another to patience and encourage one another to mercy.”
Surah al-Balad, 17
One must therefore be patient and merciful: this is courage and generosity.
For this reason, Allah Most High sometimes pairs prayer with zakat, which is