The New Covenant (Hebrew • ברית חדשה •  berit hadashah (help·info) — Greek • διαθήκη καινή • diatheke kaine) is a concept originally derived from the Hebrew Bible. The term "New Covenant" is used in the Bible (both in the Hebrew Bible and the Greek New Testament) to refer to an epochal relationship of restoration and peace following a period of trial and judgment. It is often thought of as an eschatological messianic age or world to come, and is related to the biblical concept of the kingdom of God. Generally, Christians believe that the epoch of the New Covenant began at the first coming of Jesus, who began his ministry saying "the time is fulfilled, and the kingdom of God is at hand; repent and believe in the gospel". They believe the New Covenant (along with the concept of the kingdom of God) defines and describes the ongoing relationship between Christian believers and God, and that it will be in full fruition after the second coming of Jesus; that is, it will not only be in full fruition in believing hearts, but in the external world as well. Christians believe that Jesus is the mediator of the New Covenant, and that his blood shed at the crucifixion is the required blood of the covenant. As all covenants between God and man described in the Bible, the New Covenant is considered "a bond in blood sovereignly administered by God." The connection between the blood of Jesus and the New Covenant is seen at the Last Supper where Jesus institutes the rite of Communion saying "this cup that is poured out for you is the new covenant in my blood".