Mark 2:8 (BSB)

At once Jesus knew in His spirit that they were thinking this way within themselves. “Why are you thinking these things in your hearts?” He asked.

From Mark 2. Also in the ESV.

Commentary on Mark 2:8

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Mark 2:1-12: Christ, having been for some time preaching about in the country, here returns to Capernaum his head-quarters, and makes his appearance there, in hopes that by this time the talk and crowd would be somewhat abated. Now observe, I. The great resort there was to him.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Mark 2:8: Whether is it easier to say to the sick of the palsy,.... This question was put to them by Christ, in order to prove his deity, and clear himself from the charge of blasphemy; for he that could cure the sick of the palsy, by a word speaking, had power to forgive him his sins: and therefore proposes it to them, which was easiest to...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Mark 2:8: Why reason ye these things in your hearts--or, as in Matthew, (Mat 9:4) "Wherefore think ye evil in your hearts?"