"Martin's superglue prank kinda left everyone a bit stuck for a payback solution"
"The students thought the evening class 'Learn How To Paint' should have been better decribed."
"Once you know your tools only then can you conquer your jobs!"
"A good teacher is always prepared. I even bring a handkerchief in case a student splats paint in my ear!"
You are Welcome to use these images and jokes in your training.