You have to know in the Bible:

Know ye not that the friendship of the world is enmity with God? Whosoever therefore will be a friend of the world is the enemy of God.

James 4:4
Ye adulterers and adulteresses know ye not that the friendship of the world is enmity with God? whosoever therefore will be a friend of the world is the enemy of God.

Know ye Laban,
Genesis 29:5
And he said unto them, Know ye Laban the son of Nahor? And they said, We know him.

Know ye this day
Deuteronomy 11:2
And know ye this day: for I speak not with your children which have not known, and which have not seen the chastisement of the Lord your God, his greatness, his mighty hand, and his stretched out arm,

Know ye not that there is a prince
2 Samuel 3:38
And the king said unto his servants, Know ye not that there is a prince and a great man fallen this day in Israel?

Know ye that Ramoth in Gilead is ours
1 Kings 22:3
And the king of Israel said unto his servants, Know ye that Ramoth in Gilead is ours, and we be still, and take it not out of the hand of the king of Syria?

Know ye not what I and my fathers have done unto all the people of other lands?
2 Chronicles 32:13
Know ye not what I and my fathers have done unto all the people of other lands? were the gods of the nations of those lands any ways able to deliver their lands out of mine hand?

Know ye that the Lord he is God
Psalm 100:3
Know ye that the Lord he is God: it is he that hath made us, and not we ourselves; we are his people, and the sheep of his pasture.

Know ye for certain, that if ye put me to death, ye shall surely bring innocent blood upon yourselves
Jeremiah 26:15
But know ye for certain, that if ye put me to death, ye shall surely bring innocent blood upon yourselves, and upon this city, and upon the inhabitants thereof: for of a truth the Lord hath sent me unto you to speak all these words in your ears.

Know ye not what these things mean?
Ezekiel 17:12
Say now to the rebellious house, Know ye not what these things mean? tell them, Behold, the king of Babylon is come to Jerusalem, and hath taken the king thereof, and the princes thereof, and led them with him to Babylon;

Know ye not this parable?
Mark 4:13
And he said unto them, Know ye not this parable? and how then will ye know all parables?

Know ye that the kingdom of God is nigh at hand.
Luke 21:31
So likewise ye, when ye see these things come to pass, know ye that the kingdom of God is nigh at hand.

Know ye what I have done to you?
John 13:12
So after he had washed their feet, and had taken his garments, and was set down again, he said unto them, Know ye what I have done to you?

Know ye not, that so many of us were baptized into his death?
Romans 6:3
Know ye not, that so many of us as were baptized into Jesus Christ were baptized into his death?

Know ye not, that to whom ye yield yourselves servants to obey
Romans 6:16
Know ye not, that to whom ye yield yourselves servants to obey, his servants ye are to whom ye obey; whether of sin unto death, or of obedience unto righteousness?

Know ye not that the law hath dominion over a man
Romans 7:1
Know ye not, brethren, (for I speak to them that know the law,) how that the law hath dominion over a man as long as he liveth?

Know ye not that ye are the temple of God
1 Corinthians 3:16
Know ye not that ye are the temple of God, and that the Spirit of God dwelleth in you?

Know ye not that a little leaven leaveneth the whole lump?
1 Corinthians 5:6
Your glorying is not good. Know ye not that a little leaven leaveneth the whole lump?

Know ye not that we shall judge angels?
1 Corinthians 6:3
Know ye not that we shall judge angels? how much more things that pertain to this life?

Know ye not that the unrighteous shall not inherit the kingdom of God?
1 Corinthians 6:9
Know ye not that the unrighteous shall not inherit the kingdom of God? Be not deceived: neither fornicators, nor idolaters, nor adulterers, nor effeminate, nor abusers of themselves with mankind,

Know ye not that your bodies are the members of Christ?
1 Corinthians 6:15
Know ye not that your bodies are the members of Christ? shall I then take the members of Christ, and make them the members of an harlot? God forbid.

Know ye not that he which is joined to an harlot is one body?
1 Corinthians 6:16
What? know ye not that he which is joined to an harlot is one body? for two, saith he, shall be one flesh.

Know ye not that your body is the temple of the Holy Ghost
1 Corinthians 6:19
What? know ye not that your body is the temple of the Holy Ghost which is in you, which ye have of God, and ye are not your own?

Know ye not that they which run in a race run all
1 Corinthians 9:24
Know ye not that they which run in a race run all, but one receiveth the prize? So run, that ye may obtain.

Know ye not your own selves?
2 Corinthians 13:5
Examine yourselves, whether ye be in the faith; prove your own selves. Know ye not your own selves, how that Jesus Christ is in you, except ye be reprobates?

Know ye that they which are of faith are the children of Abraham.
Galatians 3:7
Know ye therefore that they which are of faith, the same are the children of Abraham.

Know ye that our brother Timothy is set at liberty
Hebrews 13:23
Know ye that our brother Timothy is set at liberty; with whom, if he come shortly, I will see you.

know ye the Spirit of God
1 John 4:2
Hereby know ye the Spirit of God: Every spirit that confesseth that Jesus Christ is come in the flesh is of God:

To compare between the Bible and the Quran, read my next article:
Bible versus Quran versus Sciences, Array (60) You Have To Know That (b)

Cont.