ἀγνοητέον
From LSJ
ἐν δὲ δικαιοσύνῃ συλλήβδην πᾶσ' ἀρετὴ ἔνι → in justice is all virtue found in sum, in justice is every virtue there is, in justice every virtue is brought together, justice contains in itself all the virtues
English (LSJ)
with neg., οὐκ ἀ.
A one must not fail to remark, Dsc.Praef.7, Ph.1.11, al.
Greek (Liddell-Scott)
ἀγνοητέον: ῥημ. ἐπίθ., μετ ̓ ἀρνήσ. οὐκ ἀγνοητέον, δὲν πρέπει νὰ ἀγνοῇ τις, Διοσκορ. προοίμ. Ι. Φίλων.
Spanish (DGE)
hay que ignorar en litotes οὐχ ἀ. no se debe dejar de observar Ph.1.11, Dsc.praef.7, Asp.in EN 67.30, Didym.in Zach.4.30, Socr.Sch.HE 2.20.14.