The ground wire from the starter will not reach the negative terminal on the battery.... What shall I do?

There no such thing as a ground wire from the starter. The big wire goes to the positive 12v of the battery.The ground wire from the starter will not reach the negative terminal on the battery.... What shall I do?
Lol, then what's that hes got in his hand in that picture?There no such thing as a ground wire from the starter.