If you think you understand quantum mechanics, you don't understand quantum mechanics.

Some people think Wheeler's gotten crazy in his later years, but he's always been crazy.

What is not surrounded by uncertainty cannot be the truth.

If we want to solve a problem that we have never solved before, we must leave the door to the unknown ajar.

Science is of value because it can produce something.

[Quantum mechanics] describes nature as absurd from the point of view of common sense. And yet it fully agrees with experiment. So I hope you can accept nature as She is - absurd.

Science is a process for learning about nature in which competing ideas about how the world works are measured against observations.