“… It is impossible not to believe what you see, but it is equally impossible to see what you do not believe. Perceptions are built up on the basis of experience, and experience leads to beliefs. It is not until beliefs are fixed that perceptions stabilize. In effect, then, what you believe you do see. That is what I meant when I said, “Blessed are ye who have not seen and still believe,” for those who believe in the resurrection will see it…”

A Course In Miracles – excerpt – CHAPTER 11 § VII – Waking to Redemption