Tertullian On Prayer from idolatry, and all the other blemishes which, conceived by the spirit, are effected by the operation of the hands. These are the true purities;[84] Origen Commentary on Matthew Book XI " etc.[96] And as in many cases we have to consider the astonishment of the Jews at the words of the Saviour, because they were spoken with authority, so also in regard to the words in this place. Having called the multitudes therefore, He said unto them, "Hear and understand,"[109] but here He stretches forth His hand to the multitude, calling them unto Him, and turning their thoughts away from the literal interpretation of the questions in the law, when He in the first place said to them, who did not yet understand what they heard, "Hear and understand," and thereafter as in parables said to them, "Not that which entereth into the mouth defileth the man, but that which proceedeth out of the mouth."[117]