Authors:

The science [geometry] is pursued for the sake of the knowledge of what eternally exists, and not of what comes for a moment into existence, and then perishes.

Plato, John Llewelyn DAVIES, David James VAUGHAN (1866). “The Republic of Plato, translated into English, with an introduction, analysis, and notes. By J. Ll. Davies and D. J. Vaughan”, p.251
The science [geometry] is pursued for the sake of the knowledge of what eternally exists, and not of what comes for a moment into existence, and then perishes.