Quote by Johann Tetens

"Man is born free, and everywhere he is in chains."

"The greatest discovery of my generation is that human beings can alter their lives by altering their attitudes."

"Education is the most powerful weapon which you can use to change the world."

"In the middle of difficulty lies opportunity."

"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!"