The word(s) "know" appears 656 time(s) in 561 verse(s) in Quran in Abdullah Yusuf Ali translation.

(391) Recite what is sent of the Book by inspiration to thee, and establish regular Prayer: for Prayer restrains from shameful and unjust deeds; and remembrance of Allah is the greatest (thing in life) without doubt. And Allah knows the (deeds) that ye do.

(392) Nay, here are Signs self-evident in the hearts of those endowed with knowledge: and none but the unjust reject Our Signs.

(393) Say: "Enough is Allah for a witness between me and you: He knows what is in the heavens and on earth. And it is those who believe in vanities and reject Allah, that will perish (in the end).

(394) How many are the creatures that carry not their own sustenance? It is Allah who feeds (both) them and you: for He hears and knows (all things).

(395) Allah enlarges the sustenance (which He gives) to whichever of His servants He pleases; and He (similarly) grants by (strict) measure, (as He pleases): for Allah has full knowledge of all things.

(396) Disdaining ungratefully Our gifts, and giving themselves up to (worldly) enjoyment! But soon will they know.

(397) They know but the outer (things) in the life of this world: but of the End of things they are heedless.

(398) And among His Signs is the creation of the heavens and the earth, and the variations in your languages and your colours: verily in that are Signs for those who know.

(399) Nay, the wrong-doers (merely) follow their own lusts, being devoid of knowledge. But who will guide those whom Allah leaves astray? To them there will be no helpers.

(400) (As if) to show their ingratitude for the (favours) We have bestowed on them! Then enjoy (your brief day); but soon will ye know (your folly).