The word(s) "knew" appears 40 time(s) in 39 verse(s) in Quran in Muhammad Pickthal translation.

(21) And those who became fugitives for the cause of Allah after they had been oppressed, We verily shall give them goodly lodging in the world, and surely the reward of the Hereafter is greater, if they but knew;

(22) So (it was). And We knew all concerning him.

(23) If those who disbelieved but knew the time when they will not be able to drive off the fire from their faces and from their backs, and they will not be helped!

(24) He will say: Ye tarried but a little if ye only knew.

(25) Lo! their reckoning is my Lord's concern, if ye but knew;

(26) He said: I have been given it only on account of knowledge I possess. knew he not that Allah had destroyed already of the generations before him men who were mightier than him in strength and greater in respect of following? The guilty are not questioned of their sins.

(27) The likeness of those who choose other patrons than Allah is as the likeness of the spider when she taketh unto herself a house, and lo! the frailest of all houses is the spider's house, if they but knew.

(28) This life of the world is but a pastime and a game. Lo! the home of the Hereafter - that is Life, if they but knew.

(29) It was said (unto him): Enter paradise. He said: Would that my people knew

(30) Those before them denied, and so the doom came on them whence they knew not.