Matthew 5:14

You people are [like] light in the world. A city built on a hill will not go unnoticed.

John 8:12

So, Jesus spoke to them again [i.e., to the Jewish authorities. See 7:45], saying, "I am the light of the world. The person who becomes my follower will never live in [spiritual] darkness, but have the light of [i.e., for his] life [i.e., followers of Jesus will not live in error and sin but in truth and righteousness]."

John 12:36

[So], believe in the Light [i.e., Jesus is speaking of Himself] while you [still] have the Light [with you], so that you can become enlightened people." After Jesus said these things, He left there and hid Himself from them.

Philippians 2:15

so that you will be without just blame and innocent [of wrongdoing], children of God without fault in the middle of a crooked and perverted generation of people. You must shine among them like stars lighting up the sky,

John 5:35

John was the lamp that was burning and glowing and you people were willing to enjoy the light that he projected for awhile.

Romans 2:19-20

if you are confident that you can give [spiritual] guidance to blind people and enlightenment to those who are in [spiritual] darkness;

2 Corinthians 6:14

Do not team up with unbelievers [i.e., in close relationships, such as marriage, etc.]. For what do righteousness and wickedness have in common? Or, what fellowship can light have with darkness?

Ephesians 5:8-14

for you people were once darkness [i.e., when living in sin], but now you are light in [fellowship with] the Lord. [So], live like people who belong to light [i.e., who live godly lives],

1 Thessalonians 5:5

for all of you people belong to the light; you belong to the daytime. We do not belong to the night or to darkness. [Note: In this passage "light" and "daytime" refer to spiritual illumination, while "darkness" and "night" refer to spiritual ignorance].

Revelation 1:20-1

The secret of the seven stars that you saw in my right hand and the seven golden lampstands [is this]: The seven stars are the angels [i.e., messengers] of the seven churches. And the seven lampstands are the seven churches."

Revelation 21:14-27

And the wall of the city had twelve foundation stones, and the names of the twelve apostles of the Lamb [were inscribed on them].

Treasury of Scripture Knowledge

Summary

Ye are the light of the world. A city that is set on an hill cannot be hid.

Bible References

The light

John 5:35
John was the lamp that was burning and glowing and you people were willing to enjoy the light that he projected for awhile.
John 12:36
[So], believe in the Light [i.e., Jesus is speaking of Himself] while you [still] have the Light [with you], so that you can become enlightened people." After Jesus said these things, He left there and hid Himself from them.
Romans 2:19
if you are confident that you can give [spiritual] guidance to blind people and enlightenment to those who are in [spiritual] darkness;
2 Corinthians 6:14
Do not team up with unbelievers [i.e., in close relationships, such as marriage, etc.]. For what do righteousness and wickedness have in common? Or, what fellowship can light have with darkness?
Ephesians 5:8
for you people were once darkness [i.e., when living in sin], but now you are light in [fellowship with] the Lord. [So], live like people who belong to light [i.e., who live godly lives],
Philippians 2:15
so that you will be without just blame and innocent [of wrongdoing], children of God without fault in the middle of a crooked and perverted generation of people. You must shine among them like stars lighting up the sky,
1 Thessalonians 5:5
for all of you people belong to the light; you belong to the daytime. We do not belong to the night or to darkness. [Note: In this passage "light" and "daytime" refer to spiritual illumination, while "darkness" and "night" refer to spiritual ignorance].
Revelation 1:20
The secret of the seven stars that you saw in my right hand and the seven golden lampstands [is this]: The seven stars are the angels [i.e., messengers] of the seven churches. And the seven lampstands are the seven churches."
Revelation 2:1
"Write [this] to the angel [i.e., the messenger] of the church at Ephesus [Note: These "messengers," (verses 8, 12, 18; 3:1, 7, 14) are thought by some to be evangelists]: These things are the words of the One who holds the seven stars in His right hand and walks among the seven golden lampstands:

A city

Revelation 21:14
And the wall of the city had twelve foundation stones, and the names of the twelve apostles of the Lamb [were inscribed on them].