On this day of your life, Jane, we believe God wants you to know...
... that doubt is the greatest gift, - it's the space between two certainties.

Any change on its way from one place of stability to the next one, passes through a period of doubt. Your old perspective has to disintegrate, and doubt comes in for a visit - even if only for a moment, before the new perspective takes root. Doubt is your greatest gift, because from doubt you can go anywhere.