Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost: Teaching them to observe all things whatsoever I have commanded you: and, lo, I am with you alway, even unto the end of the world. Amen. Matthew 28:19-20
We are all commissioned to share the gospel with the world. Here is a video I made a few years ago on the gospel presentation. Here are some other materials you may find helpful in sharing Jesus with others.
