Themistius ponders things of a timeless and higher order.

Nam quae rebus mundanis excelsiora sunt, generationem non habent.

For those things that are higher than worldly things, do not have an origin.

Nam: for

Quae: those things

Rebus: things

Mundanis: by, with or from worldly

Excelsiora: higher, loftier

Sunt: are

Generationem: birth, origin

Non habent: do not have