Famous Physicists On Quantum Mechanics

"Quantum mechanics is very impressive. But[,] an inner voice tells me that it is not yet the real thing."
       — Albert Einstein

"I don't like it, and[,] I am sorry I ever had anything to do with it."
       — Erwin Schrödinger

"I think I can safely say that nobody understands quantum mechanics."
       — Richard Feynman

"If that turns out to be true, I'll quit physics."
       — Max von Laue