Engineers Funny Jokes

Once all the professors of an engineering university were sitting on a plane. Before the aircraft was off, it was announced that their students had made the plane. All professors, except a professor, dropped down from the plane. Only a professor was sitting on the plane. One went to him and asked, "Do not you have any fear of hearing this, so much confidence in your students?" The professor responded very simply, . . . . . . . . . . . . . . . . "I know my students and I'm sure that this plane will not run."