The days of our years are threescore years and ten; and if by reason of strength they be fourscore years, yet is their strength labour and sorrow; for it is soon cut off, and we fly away. (Psalms 90:10 KJV)
Thought you might enjoy this sent to me by a friend. Not sure how it was done, but National Geographic was involved.
A couple of verses come to mind:
But God hath chosen the foolish things of the world to confound the wise; and God hath chosen the weak things of the world to confound the things which are mighty; (1 Corinthians 1:27 KJV)
Call unto me, and I will answer thee, and shew thee great and mighty things, which thou knowest not. (Jeremiah 33:3 KJV)
If he watches out for these two, how much more does God watch out for us?