there is no greater satisfaction than of hard work

Question

چرا توی جمله زیر of اومده:

There is no greater satisfaction than of hard work paying off.

با این چه فرقی داره:

There is no greater satisfaction than hard work paying off.

Answer 1

I think, 

There is no greater satisfaction than (the satisfaction of) of hard work paying off. 

 

Some more;

 

There is no greater happiness than marrying your loved one.

There is no greater happiness than of marrying your loved one.

There is no greater happiness than the happiness of marrying your loved one.