The document discusses justification in knowledge and the justified true belief (JTB) theory of knowledge. It states that to have knowledge, one must not only believe a proposition is true but must also have justification for that belief. It identifies four ways of knowing - language, emotion, reason, and perception - as potential justifications. However, it notes that justification also depends on the reliability of the source and the context, as greater contexts require more robust justification. The document concludes that justification confirms beliefs through ways of knowing but must also consider reliability and context.