Berean Study Bible (BSB) - Mark 4:27 >

Night and day he sleeps and wakes, and the seed sprouts and grows, though he knows not how.

Textus Receptus (TR) - Mark 4:27 >

καὶ καθεύδῃ καὶ ἐγείρηται νύκτα καὶ ἡμέραν, καὶ ὁ σπόρος βλαστάνῃ καὶ μηκύνηται ὡς οὐκ οἶδεν αὐτός.