"I have discovered a truly marvellous proof of the Riemann Hypothesis, but this hard disk is too small to contain it."

Hi there. The following jokes are ordered in decreasing order of the number of people that might understand them. The last one probably concerns 10 people in the world (counting myself). Not that they are complicated or transcendental... But the tricks are based on more and more specialized culture...
"Nous sommes des vipères, il nous faut des bûches pour proliférer..."