Matthew 24:46

μακάριος ὁ δοῦλος ἐκεῖνος ὃν ἐλθὼν κύριος αὐτοῦ εὑρήσει οὕτως ποιοῦντα

makarios ho doulos ekeinos hon elthōn kyrios autou heurēsei houtōs poiounta

Blessed [is] - slave that which having come master of Him’” He will find thus doing