Something Bigger Than Ourselves?

Self esteem, a belief in ourselves and selfconfidence in our own ability, we all have it, to varying degrees. It allows us to  get through the rigors, challenges  and events of everyday life. But, is it enough?  Can we always find the strength deep within ourselves to overcome any situation life can bring?  Can we get to the deepest recesses inside of us and summon the will to free us from emotional, physical or spiritual pain when we really need to?
Or....do we need faith or a belief in something "bigger" than ourselves?  (I may be paraphrasing Pete Townshend from a song on "Odds & Sods" now that I think of it).
This "bigger",  does he/she/it have the ability to come to our aid when we are really, really, really, really, really in need?   Do they hear us? Maybe they give us  a "sign",  maybe a "sudden intuition" aka "gut feeling", or maybe a divine or supernatural intervention of some type?  Like great seats to an Iron Maiden concert....I'm still waiting. 
I can understand how when one is really empty, clueless or just lost in any aspect of life, the need to find another source of inspiration or hope is almost a given.    A faith in something "bigger" is human necessity, the carrot dangling in front of the listless horse.
And maybe the faintest sliver of hope is enough to get us moving forward again.  Maybe it is us reaching deeper inside our  soul or inner being than we ever thought possible. Maybe this something bigger is really inside us all and we just need to tune  into it properly.  Maybe our inner "bigger" is what links us all together is metaphysical way.  Maybe.......