Tragedy is the test of courage.

5 seconds sound clip from the A Star is Born classic radio play.

You can hear this line at 00:49:19 in the radio play.

Quote context

[...]

- But you did make a bargain! And now you're whining over it.

- I wouldn't be very proud of myself if I were you, Esther.

- I'm not, granny, but my mind's made up.

- Oh, well. Then I'm very sorry I lent you that money to come here. It was just thrown away, wasted.

- I know. Oh, I want to be strong, but I can't go on. I can't!

- But you must!

- Tragedy is the test of courage.

- I never knew Norman Maine.

- He was sweet to me in the letter he wrote when you were married. He said that you told him how much I had meant to you.

- And I know how much you must have meant to him.

- I can't believe that wherever he is, he's very proud knowing that all that his love did for you was to make you - a quitter.

[...]