She agreed to help him 'out of the goodness of her heart'. [=because she is a kind and generous person]
He finally got a raise. 'Goodness knows' he deserved one. [=he certainly deserved one]
If you cook the vegetables too long, they'll lose all their (natural) 'goodness'.
(..) Darla, sweetie, look out. Hold still. Easy, easy. Hold still! lt's all right. Nobody's going to hurt you. - Oh, my goodness. - Gotcha! Daddy? Out with you. And stay out! - Daddy? - Fishy? (..)2003 Finding Nemo
(..) , ! Ready or not here l come! There you are. Catch me if you can. Up you go. Up you go. Oh, my goodness. Kill the motor, dude. Let us see what Squirt does flying solo. That was so cool. Hey, Dad. Did you see that? Did you see me? (..)2003 Finding Nemo