"One must be clear that, as far as the atoms are concerned, we are not dealing with an analogy to everyday experience but with something quite different."

"The atom is a very small object, and the forces that bind it together are very strong."

"There are some things so serious that you have to laugh at them."

"I often say that there is no quantum world. There is only an abstract quantum physical description. It is wrong to think that the task of physics is to find out how nature is. Physics concerns what we…"

"The meaning of life does not consist in the mere fact of existing, but in the power of perceiving and making known our existence, and that of others."