τὸ κεφάλαιον
From LSJ
ἡ δὲ φύσις φεύγει τὸ ἄπειρον· τὸ μὲν γὰρ ἄπειρον ἀτελές, ἡ δὲ φύσις ἀεὶ ζητεῖ τέλος → nature, however, avoids what is infinite, because the infinite lacks completion and finality, whereas this is what Nature always seeks
Greek > English (Woodhouse)
capital, in fine, the chief point, the chief points, the main features, the main point, the principal point
