Islam is the continuation of all the message of all previous messengers like Jesus, Moses, Noah, Abraham, etc (peace be upon them all). They all came to mankind with the same message. The message of peace. Peace in society, but more importantly peace within one’s own self.
In this video, Abdul Bary Yahya points to the emptiness that one always feels in life, if he doesn’t know the purpose of his own creation. He explains logically how Islam fills this emptiness by guiding mankind.