john 2:22 When therefore he was risen from the dead, his disciples remembered that he had said this unto them; and they believed the scripture, and the word which Jesus had said. - Free Bible Online

      22. believed the scripture--on this subject; that is, what was meant, which was hid from them till then. Mark (1) The act by which Christ signalized His first public appearance in the Temple. Taking "His fan in His hand, He purges His floor," not thoroughly indeed, but enough to foreshadow His last act towards that faithless people--to sweep them out of God's house. (2) The sign of His authority to do this is the announcement, at this first outset of His ministry, of that coming death by their hands, and resurrection by His own, which were to pave the way for their judicial ejection.

JFB.