ever-burning lamp
The name of the lamp, the lamp should always be on can not be turned off. The light of the heart, the fire of the heart, the light of the heart is turned on and never turned off.
For example, red and white weddings are like this.
When two couples get married, some places need to be open for how many days from the day they get married. A couple of each other's new couple has a soul lamp to live together.
If there are old people in the family who have passed away, there is also the habit of turning on the light for a long time, especially at night. The hearts of the dead relatives will always have the bereaved relatives, this is the heart lamp.
And the meaning of the heart lamp is similar - light awakening beacon.