μεταδιωκτέον
From LSJ
Δύο γὰρ, ἐπιστήμη τε καὶ δόξα, ὧν τὸ μὲν ἐπίστασθαι ποιέει, τὸ δὲ ἀγνοεῖν → Two different things are science and belief: the one brings knowledge, the other ignorance
English (LSJ)
one must pursue, Pl.Ti.64b, Them.Or.22.272b.
Greek (Liddell-Scott)
μεταδιωκτέον: ῥημ. ἐπίθ., τοῦ μεταδιώκω, δεῖ μεταδιώκειν, Πλάτ. Τίμ. 64Β.