During Holy Mass, I saw Jesus stretched out on the Cross, and He said to me, My pupil, have great love for those who cause you suffering. Do good to those who hate you. I answered, “O my Master, You see very well that I feel no love for them, and that troubles me.” Jesus answered, It is not always within your power to control your feelings. You will recognize that you have love if, after having experienced annoyance and contradiction, you do not lose your peace, but pray for those who have made you suffer and wish them well 
WORDS OF JESUS TO ST. FAUSTINA   (Diary, 1628).