KJV: The baptism of John, whence was it? from heaven, or of men? And they reasoned with themselves, saying, If we shall say, From heaven; he will say unto us, Why did ye not then believe him?
NASB: "The baptism of John was from what source, from heaven or from men?" And they began reasoning among themselves, saying, "If we say, 'From heaven,' He will say to us, 'Then why did you not believe him?'
KJV: And immediately when Jesus perceived in his spirit that they so reasoned within themselves, he said unto them, Why reason ye these things in your hearts?
NASB: Immediately Jesus, aware in His spirit that they were reasoning that way within themselves, said to them, "Why are you reasoning about these things in your hearts?
KJV: And when Jesus knew it, he saith unto them, Why reason ye, because ye have no bread? perceive ye not yet, neither understand? have ye your heart yet hardened?
NASB: And Jesus, aware of this, said to them, "Why do you discuss the fact that you have no bread? Do you not yet see or understand? Do you have a hardened heart?