Be present, O merciful God, and protect us through the hours of this night, so that we who are wearied by the changes and chances of this life may rest in your eternal changelessness; through Jesus Christ our Lord. Amen.
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A night prayer traditionally reckoned a sixth-century collect, carried into Anglican use through the modern Compline revival and first printed in an official prayer book at the US BCP 1979. It sets the weariness of human life, caught in the "changes and chances" of this world, against God's eternal changelessness.