Ah, teachers. They're supposed to be a shining beacon of knowledge and wisdom, when in reality, half of them have just as much common sense as the rest of us. Sure, textbook knowledge can get you far in life, but that doesn't mean teachers don't have their moments of stupidity as well! Redditors supply some of the most "Did they really just say that?!" moments from teachers . Be prepared to do a couple face-palms.