Mark 2:6

Now there were some scribes sitting there who argued in their hearts,

They argued among themselves, "But we have not brought any bread!"

He noted this and said to them, "Why do you argue you have no bread? Do you not see, do you not understand, even yet? Are you still dull of heart?

Then the scribes and Pharisees began to argue, "Who is this blasphemer? Who can forgive sins, who but God alone?"

Treasury of Scripture Knowledge

But there were certain of the scribes sitting there, and reasoning in their hearts,

If you remit the sins of any, they are remitted: if you retain them, they are retained."