'Know' in the Bible

The way of the wicked is like gloomy darkness; they do not know what causes them to stumble.

Lest she should make level the path leading to life, her paths are unstable but she does not know it.

till an arrow pierces his liver -- like a bird hurrying into a trap, and he does not know that it will cost him his life.

The woman called Folly is brash, she is naive and does not know anything.

The lips of the righteous know what is pleasing, but the speech of the wicked is perverse.

You will say, "They have struck me, but I am not harmed! They beat me, but I did not know it! When will I awake? I will look for another drink."

If you say, "But we did not know about this," does not the one who evaluates hearts consider? Does not the one who guards your life know? Will he not repay each person according to his deeds?

Likewise, know that wisdom is sweet to your soul; if you find it, you will have a future, and your hope will not be cut off.

Do not boast about tomorrow; for you do not know what a day may bring forth.

The stingy person hastens after riches and does not know that poverty will overtake him.

Who has ascended into heaven, and then descended? Who has gathered up the winds in his fists? Who has bound up the waters in his cloak? Who has established all the ends of the earth? What is his name, and what is his son's name? -- if you know!