Some quotes from Wikipedia regarding doors,

- Often doors have locking mechanisms to ensure that only some people can open them.

- Doors can have devices such as knockers or doorbells by which people outside can announce their presence and summon someone either to open the door for them or give permission to open and enter.

- Apart from providing access into and out of a space, doors can have the secondary functions of ensuring privacy by preventing unwanted attention from outsiders

- Doors may have aesthetic, symbolic, ritualistic purposes.To be given the key to a door can signify a change in status from outsider to insider.

Some quotes about organized religion.

- Often beliefs have locking mechanisms to ensure that only some people can open them.

- Religions can have devices such as knockers (creeds) or doorbells (dogma) by which people outside can announce their presence and summon someone either to open the door for them or give permission to open and enter.

- Apart from providing access into and out of a space, church buildings can have the secondary functions of ensuring privacy by preventing unwanted attention from outsiders

- Sunday mornings may have aesthetic, symbolic, ritualistic purposes.To be given the key to a door can signify a change in status from outsider to insider.

Doors can let people in and they can keep people out. What have we done with the doors or our churches? And why, I might add, does an ideology that follows the way, the truth and the life of a guy who was chased out of the temple nearly every time he spoke exist within a one today?

Church can be a beautiful reminder of what to seek in the actual temple of the Divine - reality outside the temple. Or it can be a manipulator that causes us to think that God has walls.

God, I believe, is always the door leading to the wider spaces beyond. No codes or keys required.