The black spots in our lives - With love and clearing

One day a professor entered a classroom and asked his students to prepare for a surprise test. They waited anxiously at their desks for the test to begin. The professor handed out the test with the text facing down as usual. Once he handed them all out, he asked his students to turn the page and begin. To everyone’s surprise, there were no questions...just a black dot in the center of the page. The professor seeing the...