In the work Republic written by Plato, he presented the allegory of the cave. A group of people lived inside a cave all their lives. They saw only shadows in front of them, and their perception of reality is limited to those shadows. One of the prisoners was freed and he saw that it was the fire and statues that casted the shadows, and when he got out of the cave, he saw that reality is so much bigger than he thought, and the shadows he's known all his life were just a mere illusion.
Much of what we now know are a product of years of conditioning-- it could be our self-identity, belief systems, or perception of the world. To truly be free, to get ourselves out of our own caves, we must accept that there's more to learn and more to explore. And sometimes we are lucky in that there is something about our thinking, our beliefs, and our habits that gnaw at us, something we feel on some level is not quite right. It is then when we feel we are fed up with the lies we have been told by society, by government, by those whom we trust, that we see it as in invitation to investigate, to get out of the cave, to seek the truth, to expand our mind. And so, being fed up is a gift, because it means we are starting to realize that we are prisoners, and we can then take steps to be free of the bondage of our false conditioning.
Here is one documentary that can help us expand our understanding of the truth: