What Quran Says About Feeling Of Heart?

(Fuad)

All that we relate to thee of the stories of the apostles,- with it We make firm thy heart: in them there cometh to thee the Truth, as well as an exhortation and a message of remembrance to those who believe. [11:120]

And pursue not that of which thou hast no knowledge; for every act of hearing, or of seeing or of (feeling in) the heart will be enquired into (on the Day of Reckoning). [17:36]

Those who reject Faith say: "Why is not the Qur'an revealed to him all at once? Thus (is it revealed), that We may strengthen thy heart thereby, and We have rehearsed it to thee in slow, well-arranged stages, gradually. [25:32]

The (Prophet's) (mind and) heart in no way falsified that which he saw. [53:11]

But there came to be a void in the heart of the mother of Moses: She was going almost to disclose his (case), had We not strengthened her heart (with faith), so that she might remain a (firm) believer. [28:10]