γελᾷ δ' ὁ μωρός, κἄν τι μὴ γέλοιον ᾖ → the fool laughs even when there's nothing to laugh at
P. προφυλακή, ἡ.
pickets: P. προφύλακες, οἱ, πρόσκοποι, οἱ (Xen.).
