A rule the Pharasees made to keep people from doing work on the sabbath.
## When they arrived ##
"When they reached their destination in Jerusalem"
## upper chamber ##
a room on a higher level of the house.
## Simon the Zealot ##
"Simon the Patriot." There were many Zealots. But Simon may have been the only apostle who was a Zealot. The Zealots wanted to make the Romans stop ruling over Israel.
## They were all united as one ##
The group was united and did not have divisions or strife.