Hope in a dream typically points to forward motion -- a sense that things can still improve, even without clear proof yet that they will. Holding onto hope in a difficult dream scenario can reflect real faith you're maintaining in waking life, a quiet insistence on possibility even when circumstances haven't caught up to it.
Saturn seldom applies to any Planet, by reason whereof he signifies great Princes and Monarchs. - William Lilly (1602.-1681.)