Aslam

(6) To interpret the same subject gradually. God say : The month of Ramzan in which the Quran has been revealed. This verse does not disclose when it was revealed, day or night. Then the next verse. says : I revealed it in a blessed night. This verse first speaks of revelation by night. Then this verse was revealed : I revealed it in the blessed night.

Then to take internal meaning of a verse, Tafsir is not sufficient. God says : You have not shot arrows when you shot arrows but God shot arrows. The external meaning of the sentence is clear, but its internal meaning is one secret as there is therein the meanings of both throwing arrows and not throwing arrows which are contradictory to each other. So the knowledge of the reason of throwing is, essential. The reason for which it is said that you did not throw arrows but God threw arrows is in the following verse : Fight with them God will punish them through your hands. This lies in the deep ocean of spiritual knowledge. Firstly, know that the action of a man is tied up with his strength and that strength is tied up with the power of God.
Every verse of the Quran similarly has got a secret meaning. It is clear to those whose hearts are clear of impurities of thoughts and ideas. So open Tafsirs are not sufficient for understanding the internal meanings of verses. These internal meanings are not opposed to the external meanings. God knows best.