Another illustration similar to the bridge analogy...
Baseball Illustration
If one wants to enter the All-Universe Hall must meet the following requirements for 5 years
Must play error free ball
Pitchers must strikeout everyone in a no-hitter every time
Must have 1.000 batting average
Each hit must be a home run
Who can do this for a season?
To earn your salvation, you must do something similar - Romans 3:23
One missed law is guilty of breaking all of the laws - James 2:10
We need Jesus' sacrifice to reach God