And from Jesus Christ, who is the faithful witness, and the first begotten of the dead, and the prince of the kings of the earth. Unto him that loves us, and washed us from our sins in his own blood,
All Commentaries on Revelation 1:5 Go To Revelation 1
Thomas Aquinas
AD 1274
washed us from our sins. Water flowed from Christ's side to wash us; blood, to redeem us. Wherefore blood belongs to the sacrament of the Eucharist, while water belongs to the sacrament of Baptism. Yet this latter sacrament derives its cleansing virtue from the power of Christ's blood.