Full Idea
How will you wager if a coin is spun on 'Either God is or he is not'? ...If you win you win everything, if you lose you lose nothing.
Gist of Idea
If you win the wager on God's existence you win everything, if you lose you lose nothing
Source
Blaise Pascal (Pensées [1662], 418 (233))
Book Reference
Pascal,Blaise: 'Pensées', ed/tr. Krailsheimer,A.J. [Penguin 1966], p.150
A Reaction
'Sooner safe than sorry' is a principle best used with caution. Do you really 'lose nothing' by believing a falsehood for the whole of your life? What God would reward belief on such a principles as this?