KJV: And saith unto him, See thou say nothing to any man: but go thy way, shew thyself to the priest, and offer for thy cleansing those things which Moses commanded, for a testimony unto them.
NASB: and He said to him, "See that you say nothing to anyone; but go, show yourself to the priest and offer for your cleansing what Moses commanded, as a testimony to them."
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?