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'.
(..) I feel so bad. As well you should. If we don't do something soon, I could end up half fireman instead of half whitelighter, - Oh, for goodness sake. - Look, I'm running out of time here, So, what do you say we use that genie to make Mom and Dad, you know... That's vile and against the rules. (..)2004 TvShow: Charmed Title: I Dream of Phoebe Season: 6 Episode 15