And, behold, certain of the scribes said within themselves, This man blasphemes.
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In this case indeed He discloses also another sign, and that no small one, of His own Godhead, and of His equality in honor with the Father. For whereas they said, To unbind sins pertains to God only, He not only unbinds sins, but also before this He makes another kind of display in a thing which pertained to God only; the publishing the secrets in the heart. For neither had they uttered what they were thinking.
But that it belongs to God only to know men's secrets, hear what says the prophet, Thou most entirely alone know the hearts; 2 Chronicles 6:30 and again, God tries the hearts and reins; and Jeremiah too says, The heart is deep above all things, and it is man, and who shall know him? and, Man shall look on the face, but God on the heart. 1 Samuel 16:7 And by many things one may see, that to know what is in the mind belongs to God alone.