None of us knows anything, not even whether we know or do not know, nor do we know whether not knowing and knowing exist, nor in general whether there is anything or not. Metrodorus of Chios More Quotes by Metrodorus of Chios More Quotes From Metrodorus of Chios To consider the Earth as the only populated world in infinite space is as absurd as to assert that in an entire field of millet, only one grain will grow. Metrodorus of Chios space earth world It is unnatural in a large field to have only one shaft of wheat, and in the infinite Universe only one living world. Metrodorus of Chios life science world A single ear of corn in a large field is as strange as a single world in infinite space. Metrodorus of Chios space fields ears