Philosophy can help us be more aware of our life, the consequences of our decisions, our mistakes and our problems. And it can help us correct mistakes and solve problems. That's why philosophical thinking is valuable.
A lot of philosophy is silly, so don't worry about your preconceptions. Let's take a fresh look at some good philosophy.
The main field of philosophy is called epistemology. It's the philosophy of knowledge, and a lot of great stuff is known about it. It can help with understanding and addressing the issues we've been discussing. We'll come back to it shortly.