"Ah, yes, the early 1900s—when people were so polite that they used an entire day to ponder the etiquette of playing cards in a train carriage."

"Madame Curie once told me, 'The world is full of mysteries... and so is my laundry hamper.' A scientist's humor is often overlooked."

In the Victorian age, a newspaper headline read: "Slightly Annoyed Cat Disrupts High Tea". Some things never change.

"You know, back in the Roman Empire, the best part of a gladiator match was the inevitable meme—a laurel, a lion, and a witty caption."