heart of gold

Idioms  

1. A very kind and good nature, as in Bill is very generous; he has a heart of gold. This expression alludes to gold in the sense of “something valued for its goodness.” [Late 1500s]

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Example Sentences

When the BBC visited the market in Kingston upon Thames, Surrey, earlier this week, we saw an open mic night, including a rendition of Neil Young's Heart of Gold, and stalls selling the likes of pasta, Greek gyros and Yorkshire pudding wraps.

From BBC

Like I said, he had a heart of gold, man.

From Los Angeles Times

So, yeah, he had a heart of gold.

From Los Angeles Times

And all the best qualities you could ask for in somebody — super giving, had a heart of gold and just tough as nails.

From Los Angeles Times

It was that he had all the best qualities you’d want in somebody; his heart of gold, and then you couple that with him just being hard as nails and tough, no quit ever.

From Los Angeles Times