The word(s) "know" appears 694 time(s) in 606 verse(s) in Quran in Muhammad Pickthal translation.

(141) How should I fear that which ye set up beside Him, when ye fear not to set up beside Allah that for which He hath revealed unto you no warrant? Which of the two factions hath more right to safety? (Answer me that) if ye have knowledge.

(142) And they measure not the power of Allah its true measure when they say: Allah hath naught revealed unto a human being. Say (unto the Jews who speak thus): Who revealed the Book which Moses brought, a light and guidance for mankind, which ye have put on parchments which ye show, but ye hide much (thereof), and (by which) ye were taught that which ye knew not yourselves nor (did) your fathers (know it)? Say: Allah. Then leave them to their play of cavilling.

(143) And He it is Who hath set for you the stars that ye may guide your course by them amid the darkness of the land and the sea. We have detailed Our revelations for a people who have knowledge.

(144) Yet they ascribe as partners unto Him the jinn, although He did create them, and impute falsely, without knowledge, sons and daughters unto Him. Glorified be He and High Exalted above (all) that they ascribe (unto Him).

(145) Thus do We display Our revelations that they may say (unto thee, Muhammad): "Thou hast studied," and that We may make (it) clear for people who have knowledge.

(146) Shall I seek other than Allah for judge, when He it is Who hath revealed unto you (this) Scripture, fully explained? Those unto whom We gave the Scripture (aforetime) know that it is revealed from thy Lord in truth. So be not thou (O Muhammad) of the waverers.

(147) Perfected is the Word of thy Lord in truth and justice. There is naught that can change His words. He is the Hearer, the knower.

(148) Lo! thy Lord, He knoweth best who erreth from His way; and He knoweth best (who are) the rightly guided.

(149) And when a token cometh unto them, they say: We will not believe till we are given that which Allah's messengers are given. Allah knoweth best with whom to place His message. Humiliation from Allah and heavy punishment will smite the guilty for their scheming.

(150) Say (O Muhammad): O my people! Work according to your power. Lo! I too am working. Thus ye will come to know for which of us will be the happy sequel. Lo! the wrong-doers will not be successful.