Here is the collect for the First Sunday of Advent:
Da, quaesumus, omnípotens Deus, hanc tuis fidélibus voluntátem, ut, Christo tuo veniénti iustis opéribus occurréntes, eius déxterae sociáti, regnum mereántur possidére caeléste. Per Dóminum.
1973 NLC (for England and Wales)
Almighty God, grant us the will to greet our Saviour with our good works he comes, so that we may be worthy to be on his right hand and possess the kingdom of heaven. Through our Lord.
1974 English & Commonwealth breviary (i.e. not the US version)
Grant, almighty Father, that when Christ comes again we may go out to meet him, bearing the harvest of good works achieved by your grace. We pray that he will receive us into the company of the saints and call us into the kingdom of heaven. (We make our prayer) through our Lord.
All-powerful God, increase our strength of will for doing good that Christ may find an eager welcome at his coming and call us to his side in the kingdom of heaven, where he lives and reigns.
1998 Projected (& rejected) ICEL
Almighty God, strengthen the resolve of your faithful people to prepare for the coming of your Christ by works of justice and mercy, so that when we go forth to meet him he may call us to sit at his right hand and possess the kingdom of heaven.
2008 New Version
Grant, we pray, almighty God, that your faithful may resolve to run forth with righteous deeds, to meet your Christ who is coming, so that gathered at his right hand they may be worthy to possess the heavenly kingdom. Through our Lord.
2010 Final Version
Grant your faithful, we pray, almighty God, the resolve to run forth to meet your Christ with righteous deeds at his coming, so that, gathered at his right hand, they may be worthy to possess the heavenly kingdom. Through our Lord.