Whereas you're possessed of all the wisdom of the ages.
3 seconds sound clip from the The Best Years of Our Lives (1946) movie soundboard.
You can hear this line at 02:03:38.448 in the Blu-ray version of the movie.
Quote context
[...]
- Oh, it was all perfectly respectable.
- But when we were saying goodbye, he took me in his arms and kissed me and I knew.
- And you think a kiss from a smooth operator like Fred, you think that means anything?
- You don't know him. You don't know anything about what's inside him. Neither does she. His wife.
- Whereas you're possessed of all the wisdom of the ages.
- You can see into the secret recesses of his innermost soul.
- I can see because I love him.
- It's none of your business how I'm going to do it.
- You've forgotten what it's like to be in love.
[...]