신념
Reading just one book can make it feel like there's a single answer to everything in the world.
Living with only one belief is the easiest way to live - like people who have only read one book about environmental protection, gender equality, or animal abuse documentaries.
Knowing is not a sin. Believing can be.
The whole problem with the world is that fools and fanatics are always so certain of themselves, but wiser people so full of doubts. - Bertrand Russel