For Kant, space and time are the two essential ‘forms of human sensibility,’ with time … being the more basic.

Capturing time through mathematics … is like trying to trap water with a net.

[I]n the end, we want a theory that works on all scales―a theory that gives us both particle physics and cosmology.

[S]tring theory requires exactly ten dimensions to be consistent, no more and no less ….

Geometry, as it appears in physics, might be a phenomenon that’s “emergent” rather than fundamental.

[Calabi-Yaus] are alive and well and, if not living in Paris, are at least still prominent ….

In the end, the search for a simple, all-encompassing theory of nature amounts, in essence, to the search for the symmetry of the universe

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.