"As long as i am in the world, I am the light of the world|" Jesus proved this claim by
Answer Details
Jesus proved his claim of being the light of the world by restoring sight to the man born blind. In John 9, Jesus spat on the ground, made mud with the saliva, and spread the mud on the man's eyes. He then instructed the man to wash his eyes in the pool of Siloam, and the man was able to see. This miraculous healing demonstrated Jesus' power and authority as the Son of God and the promised Messiah, who came to bring spiritual and physical healing to the world.