the world's greatest lie

"this is an important book, but it's really irritating."
"it's a book that says the same thing almost all the other books in the world say," continued the old man. "it describes people's inability to choose their own destinies. and it ends up saying thet everyone believes the world's greatest lie."
"what is the world's greatest lie?" the boy asked, completely surprised.
"it's is : that at a certain point in our lives, we lose control of what's happening to us, and our lives become controlled by fate. that's the world's greatest lie."
Paolo Coelho - The Alchemist