It is as if the cross is the key to the door which opens the way to the Eucharistic banquet. (faith.org.uk)
The appointed reading from the Gospel of John points dramatically to the crucifixion of Jesus («so must the Son of Man be lifted up») and to faith as the key to the door of salvation («that whoever believes in him may have eternal life»). (religion-online.org)
Instead why not make sure that it is the key to the door of the Premier League? (justarsenal.com)