On the 9th of June 1895, which was the Solemnity of the Most Holy Trinity, St. Thérèse of Lisieux—"in order to live in one single act of perfect Love"—offered herself "as a victim of holocaust" to God's merciful love. Here is the testimony of Mother Agnès of Jesus concerning the offering during the Ordinary Process for the Cause of Beatification.
When she went to Rome, she told me that she had no fear of her purity being tainted by anything she came across on the trip, because she had placed herself under St Joseph’s protection.
Some verses alone of that divine book scattered my doubts and caused an unexpected and indefectible light to fall on my eyes
I feel him around me, looking at me and protecting me