Oh, man, I have many, many jumping-off-the-roof memories of my own, only one of which ended badly, a fact that I know will be shocking to anyone who knows me IRL.

Transcript:

One Bugg is standing on the roof of a house, arms in the air, apparently cheering — or possibly screaming — while the other Bugg is flying with what are probably cardboard wings taped to his arms.

The text reads : “Munch 1st, 1814, Orville and Wilbur Bugg become the first buggs to fly. And they would have made many more advances if their mom didn’t stop them jumping off the roof.”