Quote by Leo

"I'm not old, I'm classic."

"You know what I love about being old? I can say whatever I want and nobody expects me to remember it."

"The key to a good life is to never take yourself too seriously."

"Man, those were the days. Well, these are the days too, but in a different way."

"Science helps us understand the world."

"I've witnessed the birth of science, and it continues to amaze me."

"I'm something of a scientist myself."

"The fusion process is self-sustaining now!"