An University professor resigns his job at his very early age.He called his collegues to bid goodbye.They were shocked to see him resign and quitting that place.They pressed him for reason.He said that he was moving from place to place not to expose he will not age furthur because of his immortality.He said he was a paleolithic man who lived in caves,once Jesus Christ,Buddha,etc.They were shocked to here this and argued with him.He had reasons for his every answers.He explained his learnings about men for about centuries.He confirmed the preachings of Jesus Christ.He even gave up his love as he doesnt want to end up in loneliness.Finally he said tells about hos life as a lecturer sixty years ago during one of his collegue was studying.So he taught one of his collegues too.

What an wonderful story.
Surely you will love it.