Once Roger Bannister broke the 4-minute mile barrier, now over 1,400 runners have done the same thing. When David killed Goliath it seemed like a one-off event, but there's something inspiring about a man whose faith in God is coupled with action. Now in the closing verses of 2 Samuel 21 we see four more descendants of the giants - FOUR! - defeated in four different battles by men who follow David. What is it about this leader's faith that drew men into their own exploits? His own words in chapter 22 reveal some keys to faith that multiplies.