'Lamp' in the Bible
People don't light a lamp and put it under a basket but on a lamp stand, and it gives light to everyone in the house.
"The eye is the lamp of the body. So if your eye is healthy, your whole body will be full of light.
Then Jesus told them, "A lamp isn't brought indoors to be put under a basket or under a bed, is it? It's to be put on a lamp stand, isn't it?
"No one lights a lamp and hides it under a bowl or puts it under a bed. Instead, he puts it on a lamp stand so that those who come in will see the light.
"No one lights a lamp and puts it in a hiding place or under a basket, but on a lamp stand, so that those who enter may see its light.
Your eye is the lamp of your body. When your eye is healthy, your whole body is full of light. But when it's evil, your body is full of darkness.
Now if your whole body is full of light, with no part of it in darkness, it will be as full of light as when a lamp gives you light with its rays."
"Or suppose a woman has ten coins and loses one of them. She lights a lamp, sweeps the house, and searches carefully until she finds it, doesn't she?
That man John was a lamp that burns and brightly shines, and for a while you were willing to rejoice in his light.
Therefore we regard the message of the prophets as confirmed beyond doubt, and you will do well to pay attention to it, as to a lamp that is shining in a gloomy place, until the day dawns and the morning star rises in your hearts.
The light from a lamp will never shine within you again. The voice of a bridegroom and bride will never be heard within you again. For your merchants were the important people of the world, and all the nations were deceived by your witchcraft.
The city doesn't need any sun or moon to give it light, because the glory of God gave it light, and the lamb was its lamp.