The second reading at Mass today was from the Letter to the Philippians (4:4-7):
Brothers and sisters:
Rejoice in the Lord always.
I shall say it again: rejoice!
Your kindness should be known to all.
The Lord is near.
Have no anxiety at all, but in everything,
by prayer and petition, with thanksgiving,
make your requests known to God.
Then the peace of God that surpasses all understanding
will guard your hearts and minds in Christ Jesus.