He was a man of high ideals, so-called. But ideals without common sense can ruin this town.

— (Lionel Barrymore)

10 seconds sound clip from the It's a Wonderful Life (1946) movie soundboard.

You can hear this line at 00:31:09 in the Blu-ray version of the movie.

Quote context

[...]

- I'll go further than that.

- I'll say that to the public Peter Bailey was the Building and Loan.

- That's fine, coming from you, considering that you probably drove him to his grave.

- Peter Bailey was not a businessman. That's what killed him.

- Oh, I don't mean any disrespect to him. God rest his soul.

- He was a man of high ideals, so-called. But ideals without common sense can ruin this town.

- Now, you take this loan here to Ernie Bishop, you know, that fellow that sits around all day on his brains in his taxi, you know.

- I happen to know the bank turned down this loan.

- But he comes here, and we're building him a house worth 5000.

- Why? Well, I handled that, Mr. Potter.

[...]