"What we observe as material bodies and forces are nothing but shapes and variations in the structure of space. Particles are just schaumkommen (appearances)!"

"The most important thing is not to stop questioning. Curiosity has its own reason for existence."

"I am no friend of probability theory, I have hated it from the first moment when our dear friend Max Born gave it birth. For it could be seen how easy and simple it made everything, in principle, ever…"

"The problem of consciousness is the most difficult problem in science."

"The path to knowledge is paved with doubt."