Mark 14:15

And the owner himself will show you a large upstairs room all furnished and ready. Make preparations for us there [i.e., to observe the Passover meal]."

Acts 1:13

Upon arriving at the house where they were staying, they went upstairs. [Those present were]: Peter, John, James, Andrew, Philip, Thomas, Bartholomew, Matthew, James, the son of Alpheus, Simon the Zealous [one] and Judas, the son of James. [Note: Judas Iscariot, the twelfth apostle, had already committed suicide].

John 2:24-25

But Jesus would not trust Himself to them [i.e., to the care of these Jewish leaders] because He knew all men,

John 21:17

Then Jesus asked him a third time, "Simon, son of John, do you [truly] love me?" Peter was sad because Jesus had asked him a third time, "Do you [even] love me?" So, he said to Jesus, "Lord, you know all things. You [surely] know that I love you." Jesus replied to him, "[Then] feed my sheep.

Acts 20:8

Now there were many lamps in the upstairs room where we were meeting.

2 Timothy 2:19

However, the solid foundation of God stands firm. [Note: This probably refers to the church. See I Tim. 3:15]. It is sealed with these words [i.e., certifying God's ownership and a commitment to Him]: "The Lord knows those who are His people," [See Num. 16:5], and "Everyone who confesses the name of the Lord should stop practicing wickedness." [See Isa. 36:13].

Hebrews 4:13

And no created being is hidden from God's sight, but everything is laid bare and is openly visible to the eyes of God, to whom we must give account.

Treasury of Scripture Knowledge

Summary

And he will shew you a large upper room furnished and prepared: there make ready for us.

General references

Bible References

He will

John 2:24
But Jesus would not trust Himself to them [i.e., to the care of these Jewish leaders] because He knew all men,
John 21:17
Then Jesus asked him a third time, "Simon, son of John, do you [truly] love me?" Peter was sad because Jesus had asked him a third time, "Do you [even] love me?" So, he said to Jesus, "Lord, you know all things. You [surely] know that I love you." Jesus replied to him, "[Then] feed my sheep.
2 Timothy 2:19
However, the solid foundation of God stands firm. [Note: This probably refers to the church. See I Tim. 3:15]. It is sealed with these words [i.e., certifying God's ownership and a commitment to Him]: "The Lord knows those who are His people," [See Num. 16:5], and "Everyone who confesses the name of the Lord should stop practicing wickedness." [See Isa. 36:13].
Hebrews 4:13
And no created being is hidden from God's sight, but everything is laid bare and is openly visible to the eyes of God, to whom we must give account.

Upper

Acts 1:13
Upon arriving at the house where they were staying, they went upstairs. [Those present were]: Peter, John, James, Andrew, Philip, Thomas, Bartholomew, Matthew, James, the son of Alpheus, Simon the Zealous [one] and Judas, the son of James. [Note: Judas Iscariot, the twelfth apostle, had already committed suicide].
Acts 20:8
Now there were many lamps in the upstairs room where we were meeting.

General references

Matthew 21:2
saying to them, "Go into the village there and immediately you will find a donkey tied up with her colt. Untie them and bring them to me.