'Know' in the Bible

For I would have you know how greatly I strive for you, and for them at Laodicea, and for as many as have not seen my face in the flesh;

that their hearts may be comforted, they being knit together in love, and unto all riches of the full assurance of understanding, that they may know the mystery of God, even Christ,

Let your speech be always with grace, seasoned with salt, that ye may know how ye ought to answer each one.

whom I have sent you for this very purpose, that ye may know our state, and that he may comfort your hearts;