3 Bible Verses about Heartfelt Prayer To God

Brethren, the desire of my heart, and my prayer to God for Israel is, that they may be saved.

Likewise the Spirit also helpeth our infirmities: for we know not what we should pray for as we ought; but the Spirit itself maketh intercession for us, with groanings which cannot be uttered. But he who searcheth the hearts, knoweth what is the mind of the Spirit: for he maketh intercession for the saints, according to God.

Confess your faults one to another, brethren, and pray one for another, that ye may be healed: the fervent prayer of a righteous man availeth much.