You don't have to see the whole staircase.  Just take the first step in faith.  Martin Luther King, Jr.

I'm pretty sure football was not what was in mind when this quote was first stated but there is a link because both teams today on SuperBowl Sunday have to do the work to prep and then take the first step.  They are visualizing the same end result - a victory.  But they have to have faith in their training, in their team, in their coaches, in themselves and for some, in a higher power.  Same for us in whatever challenges we're facing.  We need to do the prep, have faith where it counts and then take that first step...