Quote by Don Knotts

"I'm always nervous when Don Rickles is in the room."

"The key to life is to be yourself, even if that means being nervous."

"I've always believed that laughter is the best medicine."

"Being honest with yourself is more important than being perfect."

"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!"