life <- function( luck=10 , … ) { 
  if ( runif(1) > 1/(luck+1.001) ) { 
    cat( “push stone uphill… ” )   
  } else { 
    cat( “\nstone rolls to bottom\n” ) 
  } 
  life( luck , … ) 
}
Or maybe you prefer a life with less hard labor, and with more philosophy:
life …