The disciples returned to Jerusalem and stayed together in one room. Though they were confined in a small space, they did not split up. They might have been more comfortable apart, but they did not want to separate before they had received the Spirit. A Sabbath day’s walk was two miles; so this passage agrees with John 11:18. The Mount of Olives was close to Bethany. The law does not pronounce on a Sabbath day’s journey; the Lord simply commands in the law that they must rest on the