Otherwise you fall into contempt of your neighbor, if you judge his evil will towards you, instead of My will acting in him. - Catherine of Siena

The Devil, dearest daughter, is the instrument of My Justice to torment the souls who have miserably offended Me. And I have set him in this life to tempt and molest My creatures, not for My creatures to be conquered, but that they may conquer, proving their virtue, and receive from Me the glory of victory. And no one should fear any battle or temptation of the Devil that may come to him, because I have made My creatures strong, and have given them strength of will, fortified in the Blood of my Son, which will, neither Devil nor creature can move, because it is yours, given by Me.

If you are what you should be, you will set the whole world on fire.

believe no happiness can be found worthy to be compared with that of a soul in Purgatory except that of the saints in Paradise. And day by day this happiness grows as God flows into these souls, more and more as the hindrance to His entrance is consumed. Sin's rust is the hindrance, and the fire burns the rust away so that more and more the soul opens itself up to the divine inflowing.