The boss was asked to write a reference for Mulla Nasrudin whom he was dismissing after only one week's work. He would not lie, and he did not want to hurt the Mulla unnecessarily. So he wrote: "TO WHOM IT MAY CONCERN: MULLA NASRUDIN WORKED FOR US FOR ONE WEEK, AND WE ARE SATISFIED."
Applicants for a job on a dam had to take a written examination, the first question of which was,
"What does hydrodynamics mean?"
Mulla Nasrudin, one of the applicants for the job, looked at this, then wrote against it: "IT MEANS I DON'T GET JOB."