Polycleitus of Argos was active during the latter half of the fifth century B.C.

He wrote a treatise called Canon, on aesthetics.

1. The most difficult stage of the work is when the artists’ clay is within a nail's breadth 1 (of completion?)

2. The right result comes gradually through many numbers.

Footnotes

72:1 Proverbial expression, the meaning of which is uncertain.