Proverbs 6:23
For the commandment is a lamp, and the law is light. Reproofs of instruction are the way of life,
World English Bible (Public Domain)
In context
Before · Proverbs 6:21–22
21Bind them continually on your heart. Tie them around your neck. 22When you walk, it will lead you. When you sleep, it will watch over you. When you awake, it will talk with you.
23For the commandment is a lamp, and the law is light. Reproofs of instruction are the way of life,