subatomic events cannot be understood in Newtonian terms and must require some sort of acausality (indeterminism) or holism (superdeterminism) to explain them. In either case, the distinction between “observer” and “observed" breaks down. (About that, more later.) Jung, in turn, had observed that such synchronicities — weird coincidences — tend to occur when certain deep structures in the psyche are activated.
