Verily, in the remembrance of Allah do 
hearts find rest (Surah Ar-Ra'd, 13:28)
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A teacher once said:
This verse doesn’t mean that hearts find peace through the remembrance of God. It means that God is saying: I’ve created you in such a way that you will not find peace except through remembering Me.
It’s a subtle difference. If you’re restless, if you feel longing, if you’re upset, the issue lies in the fact that your heart is filled with countless distractions other than Him. And you’re seeking your desires from people, not from Him.
Only God can provide the solution—don’t rely on people for what only He can grant