It is true that Jesus said, “Ye are the light of the world,” be He also said, “Go ye into all the world and preach the Gospel.” That means to go and proclaim the Word of God with your mouths as well living a life-style of holiness. Simply letting your light shine is not good enough. Shining, alone, does not reveal the source of light.
When you see a light bulb shining, its brightness does not explain why it glows. Before you understand why light bulb glows, you must first grasp the basic concepts of electricity, the combination of elements that make a light bulb, and the effect electricity has on those elements. The same is true for those who are unaware of your source of power. They may be drawn to you because of your brightness, but that doesn’t mean they will understand what it is that makes you shine. If you don’t reveal to them the “electricity” that makes your light shine, they will not recognize it is Jesus Christ.
Be a witness
The Bible tells us we can’t expect people to know the truth unless we tell them. Faith comes by hearing (Romans 10:17). Somebody out there needs to hear from you! Just letting your light shine will not communicate the entire message. They need you to tell them the good news of Jesus Christ.