The complete closed world consists of three parts-substratum, phenomenal world, and observer. By our experiments we drag up activities from the substratum into the phenomenal world of space and time, but there is no clear line of demarcation between subject and object, and by performing observations on the world, we alter it, much as a fisherman dragging up fish from the depths of the seas disturbs the waters and also damages the fish.

...a detailed mathematical discussion shows that whatever kind of wave-packet we select to represent the electron, the product of the two uncertainties of posi…

When two hypotheses are possible, we provisionally choose that which our minds adjudge to be simpler, on the supposition that this is the more likely to lead i…

We saw that radiation cannot suitably be pictured as particles when it is traveling through space. There is a corresponding property for electrons; these shoul…

I just want to explain what I mean when I say that we should try to hold on to physical reality. We are ... all aware of the situation regarding what will turn…

The observer is the observed.

And so no force however great can stretch a cord however fine into an horizontal line which is accurately straight.