When we measure something we are forcing an undetermined, undefined world to assume an experimental value. We are not measuring the world, we are creating it.
In the great drama of existence we are audience and actors at the same time.
Truth and clarity are complementary.
A physicist is just an atom's way of looking at itself.
There is no hope for any speculation that does not look absurd at first glance.
Those who are not shocked when they first come across quantum theory cannot possibly have understood it.