Two
The number "two" has two different meanings in the Bible. In most cases "two" indicates a joining together or unification. This is easy to see if we consider the conflicts we tend to have between our "hearts" and our "heads" -- between what we want and what we know. Our "hearts" tell us that we want pie with ice cream for dinner; our "heads" tell us we should have grilled chicken and salad. If we can bring those two together and actually want what's good for us, we'll be pretty happy. We're built that way -- with our emotions balanced against our intellect -- because the Lord is built that way. His essence is love itself, or Divine Love, the source of all caring, emotion and energy. It is expressed as Divine Wisdom, which gives form to that love and puts it to work, and is the source of all knowledge and reasoning. In His case the two aspects are always in conjunction, always in harmony. It's easy also to see how that duality is reflected throughout creation: plants and animals, food and drink, silver and gold. Most importantly, it's reflected in the two genders, with women representing love and men representing wisdom. That's the underlying reason why conjunction in marriage is such a holy thing. So when "two" is used in the Bible to indicate some sort of pairing or unity, it means a joining together. In rare cases, however, "two" is used more purely as a number. In these cases it stands for a profane or unholy state that comes before a holy one. This is because "three" represents a state of holiness and completion (Jesus, for instance, rose from the tomb on the third day), and "two" represents the state just before it.
Mark 9:1-11
1
He said to them, "Most certainly I tell you, there are some standing here who will in no way taste death until they see the Kingdom of God come with power."
2
After six days Jesus took with him Peter, James, and John, and brought them up onto a high mountain privately by themselves, and he was changed into another form in front of them.
3
His clothing became glistening, exceedingly white, like snow, such as no launderer on earth can whiten them.
4
Elijah and Moses appeared to them, and they were talking with Jesus.
5
Peter answered Jesus, "Rabbi, it is good for us to be here. Let's make three tents: one for you, one for Moses, and one for Elijah."
6
For he didn't know what to say, for they were very afraid.
7
A cloud came, overshadowing them, and a voice came out of the cloud, "This is my beloved Son. Listen to him."
8
Suddenly looking around, they saw no one with them any more, except Jesus only.
9
As they were coming down from the mountain, he commanded them that they should tell no one what things they had seen, until after the Son of Man had risen from the dead.
10
They kept this saying to themselves, questioning what the "rising from the dead" meant.
11
They asked him, saying, "Why do the scribes say that Elijah must come first?"
