JIGYASA - INCREDIBLE VEDAS PART II

One can never be sure of reality, as one is conditioned by the limitations of one's mind & senses to know the world.

E.g. A sick man will find all food bitter, no matter how tasty it is. However, Vedas offer us a hope.

So,

What are the Vedas?

What is their origin?

Is it a fact or mythology?