 Foundationalists hold that some beliefs are justified without being justified by other beliefs. Which beliefs have this special, foundational status? Foundationalists usually identify either beliefs about perceived or remembered matters, like “there’s a door in front of me” or “I had eggs yesterday”, or else beliefs about how things seem to us, like “there appears to be a door in front of me” or “I seem to remember having eggs yesterday”. Either way, the challenge is to say how these beliefs can be justified if they are not justified by any other beliefs.