NET
31 He gave them another parable: “The kingdom of heaven is like a mustard seed that a man took and sowed in his field.
Darby
31 Another parable set he before them, saying, The kingdom of the heavens is like a grain of mustard [seed] which a man took and sowed in his field;
KJV
31 Another parable put he forth unto them, saying, “The kingdom of heaven is like to a grain of mustard seed, which a man took, and sowed in his field:”