Thou shall love the Lord thy God with thy whole heart.[1] That person loves Jesus Christ with his whole heart who says to him with the Apostle: Lord, what wilt Thou have me to do?[2] Lord, signify to me what Thou wilt have me do; for I desire to perform all. And let us be persuaded that whilst we desire what God desires, we desire what is best for ourselves; for assuredly God only wishes what is best for us. St. Vincent of Paul said: "Conformity with the will of God is the treasure of a Christian and the remedy for all evils; since it comprises abnegation of self and union with God and all virtues." In this, then, is all perfection: Lord, what wilt Thou have me to do? Jesus Christ promises us, not a hair of your head shall perish.[3] Which is as much as to say, that the Lord rewards us for every good thought we have of pleasing him, and for every tribulation embraced with patience in conformity to his holy will. St. Teresa said, "The Lord never sends a trial, without remunerating it with some favor as often as we accept it with resignation."[4]
But our conformity to the divine will must be entire, without any reserve, and constant without withdrawal. In this consists the height of perfection; and to this (I repeat) all our works, all our desires, and all our prayers ought to tend. Some souls given to prayer, on reading of the ecstasies and raptures of St. Teresa and St. Philip Neri, come to wish to enjoy themselves these supernatural unions. Such wishes must be banished as contrary to humility; if we really desire to be saints, we must aspire after true union with God, which is to unite our will entirely to the will of God. St. Teresa[5] said,
