You know it's spring, my heart, go on and sing, my heart, for if you sing, he'll never know.
29 seconds sound clip from the Love Affair (1939) movie soundboard.
You can hear this line at 00:46:28.850 in the Blu-ray version of the movie.
Quote context
[...]
- Pretend you're glad, my heart, although you're sad, my heart, he mustn't know it.
- Remember, love is not an easy game, no two hearts ever beat quite the same.
- Go on and dance, my heart, this is romance, my heart, so keep pretending.
- Do not despair, my heart, we still may share, my heart, that happy ending.
- If it's to be, we soon shall see and if it's not to be, no power on Earth can make it so.
- You know it's spring, my heart, go on and sing, my heart, for if you sing, he'll never know.
- That noise is applause, isn't it?
- Oh, well, maybe they're applauding your two-dollar dinner.
- I'd like to talk a long contract.
- Go on and dance, my heart, this is romance, my heart, so keep pretending. (2)
- Do not despair, my heart, we still may share, my heart, that happy ending. (2)
- If it's to be, we soon shall see, and if it's not to be, no power on Earth can make it so.
[...]