Worm

[Fortebranca]

Student tries to pass a test in biology. Student is bad in sciences. His glance is wandering through the audience helpless. Eventually he sees a flower pot. On the flower an earthworm is creeping. Herr Professor, - says the student, - I bet that I stick this worm into the ground right now! Professor takes up the challenge. Student calmly takes the worm, squeezes some glue on it, blows - a worm freezes and student gently sticks it into the ground. Herr Professor says: Well, you've passed the test...
On the next day student encounters the professor in the hallway. Professor hands him an envelope with one hundred dollar bill. The student says no. Little confused professor whispers - Keep it, - it's not from me, it's from my wife...