You don’t make clear what distinction between belief and knowledge you are arguing against, so I can’t evaluate your claim that there’s no distinction between them.
You’re right—definitions are hard but here we go:
Belief: A mental state that an individual holds to be true, typically in the form “X is Y.”
Knowledge: When a belief accurately corresponds to objective reality. In other words, a belief that is correct.
You don’t make clear what distinction between belief and knowledge you are arguing against, so I can’t evaluate your claim that there’s no distinction between them.
You’re right—definitions are hard but here we go:
Belief: A mental state that an individual holds to be true, typically in the form “X is Y.”
Knowledge: When a belief accurately corresponds to objective reality. In other words, a belief that is correct.