{That ye no longer walk} (m(886b)eti humas peripatein).
Infinitive (present active) in indirect command (not indirect
assertion) with accusative humas of general reference. {In
vanity of their mind} (en mataiot(8874)i tou noos aut(936e)). "In
emptiness (from mataios, late and rare word. See  Ro 8:20 ) of
their intellect (
oos, late form for earlier genitive 
ou,
from 
ous).