>“It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.”

​ Alright, no organ donation after death then.

Before the particle being observed, however, it exists in a superposition of states, meaning it is at both X and Not X. But as soon as you detect it at X, then it is at X and X only.
https://en.wikipedia.org/wiki/Quantum_superposition