What was the relationship between Jeremiah and Jesus?
Jeremiah announced a new covenant, written on the heart. At the Last Supper, Jesus spoke of the new covenant in his blood. Jeremiah 31:31-34; Luke 22:20; Hebrews 8:8-12
What the Bible says
Jeremiah 31:31
Behold the days shall come, saith the Lord, and I will make a new covenant with the house of Israel, and with the house of Juda:
Luke 22:20
In like manner the chalice also, after he had supped, saying: This is the chalice, the new testament in my blood, which shall be shed for you.
Douay-Rheims Bible (Challoner revision), public domain.
What the Church teaches
The Catechism recalls that the prophets announced a new and eternal covenant, and that Jesus instituted it.
Catechism 762 · Catechism of the Catholic Church
Did you know?
In Jesus’ time, some people thought that Jesus was Jeremiah. Matthew 16:14