PHIL 320 sec. The study of epistemology is the attempt to give an account of the source and nature of knowledge. Knowledge is a highly prized commodity. Secret agents kill to get it.
Scientists spend billions of dollars trying to find it.
If you knew the winning numbers in the next Powerball lottery, you would become rich by purchasing a ticket with those very numbers. We would like to know many things that we do not know. There are also many things that we do know. We know enough physics, engineering, and computer science to send people to the moon and return them safely to Earth. Pick up any encyclopedia and you will have a partial list of what we now know.