Frank Wilczek is an American physicist who wrote The Lightness of Being: Mass, Ether and the Unification of Forces.

Quotes by Frank Wilczek in Time One

We know even less about dark energy. It seems to be spread out perfectly evenly, with the same density everywhere and everywhen, as if it were an intrinsic property of space-time.

The primary ingredient of physical reality, from which all else is formed, fills space and time.