'Hearts' in the Bible

that their hearts may be encouraged, having been knit together in love, and attaining to all the wealth that comes from the full assurance of understanding, resulting in a true knowledge of God’s mystery, that is, Christ Himself,

Let the peace of Christ rule in your hearts, to which indeed you were called in one body; and be thankful.

Let the word of Christ richly dwell within you, with all wisdom teaching and admonishing one another with psalms and hymns and spiritual songs, singing with thankfulness in your hearts to God.

For I have sent him to you for this very purpose, that you may know about our circumstances and that he may encourage your hearts;