Τὸ γὰρ περισσὰ πράσσειν οὐκ ἔχει νοῦν οὐδένα → There is no sense in doing things beyond the usual measure
infer: P. and V. εἰκάζειν, τεκμαίρεσθαι; see infer.
draw a conclusion: P. συλλογίζεσθαι.