"The goal of science is to explain the world, not to describe it."

"The universe is not only stranger than we imagine, it is stranger than we can imagine."

"The problem is not to know what the world is, but what we can say about it."

"The quantum postulate implies that any observation of atomic phenomena will involve an interaction with the agency of observation which is not negligible."

"Every great and deep difficulty bears in itself its own solution. It forces us to change our thinking in order to find it."