I came to understand that belief is a preconception about the way reality should be; faith is the willingness to experience reality as it is, including the acceptance of the unknown. An interesting way to understand the difference is to use the words interchangeably in the same sentence: I believe in Santa Claus. I have faith in Santa Claus. Belief can impede spiritual unfoldment; faith is supremely necessary for it.

[Let] go of your attachments: your attachment to being right, to having total control, or to living forever. This process of letting go is integral to the process of becoming whole.