As a teacher you are more or less obliged to pay the same amount of attention to everything. That can wear you down.
“When we find something new at Giza, we announce it to the world. The Sphinx and the Pyramids are world treasures. We are the guardian's of these treasures, but they belong to the world.”
“For students today, only 10 percent of children from working-class families graduate from college by the age of 24 as compared to 58 percent of upper-middle-class and wealthy families.”