At three o'clock, implore My mercy, especially for sinners; and, if only for a brief moment, immerse yourself in My Passion, particularly in My abandonment at the moment of agony. This is the hour of great mercy. In this hour, I will refuse nothing to the soul that makes a request of Me in virtue of My Passion (Diary, 1320).
a person must read the verses before this verse to fully understand Phillippians 4:13. why? because its implying that if you are happy in any circumstance you will be able to do everything through Christ who gives you strength.