be the soul of something
be the soul of (something)
To be the embodiment of a particular trait (which is stated after "of"). My mom is just the soul of kindness—she's always willing to help anyone in need. He think he's the soul of wit, but he couldn't be more unfunny.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
be the soul of somethingbe a perfect example of a good quality: She’s the soul of discretion.
Farlex Partner Idioms Dictionary © Farlex 2017