I think there is something, more important than believing: Action! The world is full of dreamers, there aren't enough who will move ahead and begin to take concrete steps to actualize their vision.
Source: In The Ultimate Success Quotations Library, 1997.
-- W Clement Stone, (May 4 1902-2002), US businessman, philantropist; He was founder and CEO of the worldwide Combined Insurance Co. of America; editor/publisher of Success: The Magazine for Achievers.