When the teacher got frustrated because the students weren't paying attention to the class about Isaac Newton, he exclaimed, "Don't you understand the gravity of this situation?"
While teaching about the Mongol Empire in History class, our teacher told us, "If anyone Khan, Genghis Khan."
One fundamental lesson our teacher has taught us in History class while talking about the Civil War was never to take victory for Grant-ed.
When I asked my Teacher in History class if she could tell us more about Napoleon's origin, she replied,"'Course I can!"
When I wrote the history of cheese for our term paper in school, our History teacher said it was grate.
My teacher told me in History class to do some light reading on the history of the light bulb.