Many people arrived early 'in the mistaken/erroneous belief that' [=because they mistakenly believed that] free tickets would be available.
It's my 'belief that' the current policy is certain to fail. [=I believe that the current policy is certain to fail]
There is a 'growing belief that' [=an increasing number of people believe that] these policies will not succeed.
(..) was hardcore. You, uh, ever think about wearing the yarn? Me? Join you? Can I do it? Can I push my beliefs further than they've ever gone? Well, let us know. Mask me. So spill it, Simpson. You were on the inside. (..)2019 TvShow: The Simpsons Title: #DUPE# Season: 30 Episode 18