In order to more fully understand this reality, we must take into account other dimensions of a broader reality.

- John Archibald Wheeler

We live on an island surrounded by a sea of ignorance. As our island of knowledge grows, so does the shore of our ignorance.

- John Archibald Wheeler

No phenomenon is a real phenomenon until it is an observed phenomenon.

- John Archibald Wheeler

Spacetime tells matter how to move; matter tells spacetime how to curve.

- John Archibald Wheeler

Behind it all is surely an idea so simple, so beautiful, that when we grasp it - in a decade, a century, or a millennium - we will all say to each ot…

- John Archibald Wheeler

'Participant' is the incontrovertible new concept given by quantum mechanics. It strikes down the 'observer' of classical theory, the man who stands …

- John Archibald Wheeler

We are not only observers. We are participators. In some strange sense this is aparticipatory universe.

- John Archibald Wheeler

The universe gives birth to consciousness, and consciousness gives meaning to the universe.

- John Archibald Wheeler

Time is what prevents everything from happening at once.

- John Archibald Wheeler