'Know' in the Bible

And I wish you to know, brethren, that the things concerning me, rather to an advancement of the good news have come,

And if to live in the flesh is to me a fruit of work, then what shall I choose? I know not;

and the proof of him ye know, that as a child serveth a father, with me he did serve in regard to the good news;

to know him, and the power of his rising again, and the fellowship of his sufferings, being conformed to his death,