Mark 2:8

8 And immediately Jesus, having known in his spirit that they thus reason in themselves, said to them, `Why these things reason ye in your hearts?

Mark 2:8 Meaning and Commentary

Mark 2:8

And immediately, when Jesus perceived in his Spirit
"His own Spirit", as the Vulgate Latin, Syriac, Arabic, and Ethiopic versions read; not his human soul, nor the holy Spirit of God, though both may be said to be his Spirit; but his divine nature, in and by which he knew all things, even the most sacred thoughts of men's hearts: and as soon as ever the above thoughts were conceived in the minds of the Scribes and Pharisees, they were perceived by him, and told to them,

that they so reasoned within themselves; he said unto them, why
reason ye these things in your hearts?
thereby reproving them, not for reasoning and concluding in their own minds, that none but God can forgive sins; but for imputing blasphemy to him, for pronouncing this man's sins pardoned; he being God, as well as man, of which his knowing the thoughts and reasonings of their minds might have been a convincing proof.

Mark 2:8 In-Context

6 And there were certain of the scribes there sitting, and reasoning in their hearts,
7 `Why doth this one thus speak evil words? who is able to forgive sins except one -- God?'
8 And immediately Jesus, having known in his spirit that they thus reason in themselves, said to them, `Why these things reason ye in your hearts?
9 which is easier, to say to the paralytic, The sins have been forgiven to thee? or to say, Rise, and take up thy couch, and walk?
10 `And, that ye may know that the Son of Man hath authority on the earth to forgive sins -- (he saith to the paralytic) --
Young's Literal Translation is in the public domain.