'Know' in the Bible

for which reason also I suffer these [things]. But [I am] not ashamed, because I know in whom I have believed, and I am convinced that he is able to guard [what] I have entrusted until that day.

You know this, that all those in Asia turned away from me, among whom are Phygelus and Hermogenes.

May the Lord grant him to find mercy from the Lord in that day! And how much he served [me] in Ephesus you know very well.

But avoid foolish and uninformed controversies, [because you] know that they produce quarrels.

But know this, that in the last days difficult times will come,

But you continue in [the things] which you have learned and are convinced [of], [because you] know from whom you learned [them],