... to person. For example, one person may like red wine and the other white wine but there is no way to actually decide who is right and who wrong, it is also unlikely that either will change its mind. Plato derives from this that belief is not knowledge. To be considered knowledge something must be an unchangeable and undeniable fact. From this perspective there can be no opinion and any theory can be acquired as knowledge if understood. Although both similar in their differences from knowledge, belief and opinion are different to each other. In the Republic it states that only philosophers can truly achieve knowledge because the word implies a deep understanding. In comparison to this, belief only requires a certain level of justification. Book five of the republic separates knowledge from belief with the use of what Plato refers to as 'sight-seers'. The republic states that to understand anything ...

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