Heart of Jesus

Jesus told St. Margaret: "Behold the Heart who so loves the world and only receives indifference and contempt. At least you love me".  This is a call that should move us to total surrender in love.

Pope Pius XII Encyclical on Devotion to the Sacred Heart: Full text: Haurietis Aquas
Excerpts:

78 The wound of the most Sacred Heart of Jesus, now that He has completed His mortal life, remains through the course of the ages a striking image of that spontaneous charity by which God gave His only begotten Son for the redemption of men and by which Christ expressed such passionate love for us that He offered Himself as a bleeding victim on Calvary for our sake: "Christ loved us and delivered Himself for us, an oblation and a sacrifice to God for an odor of sweetness." 

79 After our Lord had ascended into heaven with His body adorned with the splendors of eternal glory and took His place by the right hand of the Father, He did not cease to remain with His Spouse, the Church, by means of the burning love with which His Heart beats. For He bears in His hands, feet and side the glorious marks of the wounds which manifest the threefold victory won over the devil, sin, and death.

82. The infusion of this divine charity also has its origin in the Heart of the Savior, "in which are hid all the treasures of wisdom and knowledge."(85) For this charity is the gift of Jesus Christ and of His Spirit; for He is indeed the spirit of the Father and the Son from whom the origin of the Church and its marvelous extension is revealed to all the pagan races which had been defiled by idolatry, family hatred, corrupt morals, and violence.

83. This divine charity is the most precious gift of the Heart of Christ and of His Spirit: It is this which imparted to the Apostles and martyrs that fortitude, by the strength of which they fought their battles like heroes till death in order to preach the truth of the Gospel and bear witness to it by the shedding of their blood; it is this which implanted in the Doctors of the Church their intense zeal for explaining and defending the Catholic faith; this nourished the virtues of the confessors, and roused them to those marvelous works useful for their own salvation and beneficial to the salvation of others both in this life and in the next; this, finally, moved the virgins to a free and joyful withdrawal from the pleasures of the senses and to the complete dedication of themselves to the love of their heavenly Spouse.

84. It was to pay honor to this divine charity which, overflowing from the Heart of the Incarnate Word, is poured out by the aid of the Holy Spirit into the souls of all believers that the Apostle of the Gentiles uttered this hymn of triumph which proclaims the victory of Christ the Head, and of the members of His Mystical Body, over all which might in any way impede the establishment of the kingdom of love among men: "Who shall separate us from the love of Christ? Shall tribulation or distress? or famine? or nakedness? or danger? or persecution? or the sword?. . .But in all these things we overcome because of Him that hath loved us. For I am sure that neither death nor life, nor angels nor principalities, nor powers, nor things present, nor things to come, nor might, nor height nor depth, nor any other creature shall be able to separate us from the love of God, which is in Christ Jesus our Lord."