A professor reproved his students for coming late to class. "This is a class in English composition," he remarked with sarcasm, "not an afternoon tea."
At the next meeting, one girl was twenty minutes late. The professor waited until she had taken her seat. Then he remarked bitingly, "How will you have your tea Miss Jones?"
"Without the lemon, please," Miss Jones answered quite gently.
During the historic first manned mission to Mars, two Astronauts were charting the Martian surface.
"Look at that," said one to the other, "how beautiful this alien landscape is, untouched by man."
At that point, he was cut off, as he found his radio communications knocked out by unknown interference. They followed the source of the interference until they reached the rim of a crater. "Do you see what the source of that noise is?" asked the first astronaut.
"I don't know," said the second, "but it might be coming from that Starbucks behind you."