2 Peter 1:19

so we have the prophetic word more firm; to which you do well to take heed, as to a lamp shining in a dark place, till the day dawn, and the morning star arise in your hearts.

Revelation 2:5

Remember, therefore, from what you are fallen, and reform, and do the first works, otherwise I will come to you quickly, and take away your lamp out of its place, unless you reform.

Treasury of Scripture Knowledge

Summary

For the commandment is a lamp; and the law is light; and reproofs of instruction are the way of life:

The commandment

Bible References

The commandment

2 Peter 1:19
so we have the prophetic word more firm; to which you do well to take heed, as to a lamp shining in a dark place, till the day dawn, and the morning star arise in your hearts.

Lamp

Revelation 2:5
Remember, therefore, from what you are fallen, and reform, and do the first works, otherwise I will come to you quickly, and take away your lamp out of its place, unless you reform.