Corpus Christi: the Mystery of the Eucharist
On the Feast of Corpus Christi, the Church proclaims the Sacrament of the Holy Eucharist, which is often pictured in church art.
Malachi foretells the Mass (Malachi 1:10-11)
The Prophet Malachi spoke of a pure sacrifice that would be offered across the world. This was later understood to refer to the Sacrifice of the Mass.
The Covenant with Noah (Genesis 8:20 – 9:17)
After the Great Flood, Noah offered sacrifices to God. In return, God promised that there would never be such a flood again, appointing the rainbow as a sign of this.

