"Pray without ceasing, give thanks in all circumstances; for this is the will of God in Christ Jesus for you." 1 Thessalonians 5:17

"Therefore I tell you, whatever you ask for in prayer, believe that you have received it, and it will be yours." Mark 11:24

"The LORD is far from the wicked, but he hears the prayer of the righteous." Proverbs 15:29

"Do not be anxious about anything, but in every situation, by prayer and petition, with thanksgiving, present your requests to God." Philippians 4:6

Check our categories of Catholic prayers