“If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.”

“Things on a very small scale [like electrons] behave like nothing that you have any direct experience about. They do not behave like waves, they do not behave like particles, they do not behave like clouds, or billiard balls, or weights on springs, or like anything that you have ever seen.”

 Richard Feynman quotes

Feynman Physics Lectures: Ode on a Flower by FeynmanPhysicsLectures