In physics we deal with states of affairs much simpler than those of psychology and yet we again and again learn that our task is not to investigate the essence of things-we do not at all know what this would mean&mash;but to develop those concepts that allow us to speak with each other about the events of nature in a fruitful manner.

Prediction is very difficult, especially if it's about the future.

If you aren't confused by quantum mechanics, you haven't really understood it.

Predition is risky, especially of the future.

I go into the Upanishads to ask questions.

It is wrong to think that the task of physics is to find out how nature is. Physics concerns what we say about nature.

Anybody who is not shocked by this subject has failed to understand it. [of quantum mechanics]