Hi, what is your opinion on philosophy
I find philosophy very interesting. One common philosophical question I contemplate is if humans have free will
I think humans do have free will. 
I sure hope so, but it's such a complicated subject. Philosophers even question if we can truly know or prove anything.
Yes, that true. But it's sometimes interesting to see what they come up with
is most real? Philosophers also pose more practical and concrete questions such as: Is there a best way to live? Is it better to be just or unjust (if one can get away with it)? Do humans have free will?
Historically, "philosophy" encompassed any body of knowledge. From the time of Ancient Greek philosopher Aristotle to the 19th century, "natural philosophy" encompassed astronomy, medicine, and physics. For example, Newton's 1687 "Mathematical Principles of Natural Philosophy" later became classified
it should have sounded originally. For that we sacrificed months of our time and our money, and now we feel what we have is worth paying for. Although, truth be told, I don't care if a single record is sold, as it is indeed old music, and kids have a right to know what it is and to decide whether or not they'll pay for it. Do I think it's worth thirteen dollars? Yes, very much so, but that's my opinion. What other people